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Unit 2 Review

Total questions: 80

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
2.
The smallest level of organization of life in an organism
a)
tissue
b)
cell
c)
organ
d)
organ system
3.

Groups of cells with similar functions.

a)

Organs

b)

Molecules

c)

Tissues

d)

Organelles

4.

Group of tissues with similar functions.

a)

Organelles

b)

Cells

c)

Tissues

d)

Organs

5.

Group of organs with similar functions.

a)

Organism

b)

Cell

c)

Organ

d)

Organ System

6.

Any single living individual, and can refer to a single human, animal, plant,

Protista, bacteria, or fungi.

a)

Community

b)

Cell

c)

Population

d)

Organism

7.

What is an Organ System?

a)

The smallest basic unit of structure and function in living things

b)

An individual living thing where all systems function to maintain homeostasis

c)

Groups of similar cells that have a common function

d)

A structure that is composed of different kinds of tissues that perform similar functions

e)

A structure that consists of different organs that work together closely to perform a vital function

8.

What is an Organ?

a)

The smallest basic unit of structure and function in living things

b)

The smallest basic unit of structure of matter

c)

Groups of similar cells that have a common function

d)

A structure that is composed of different kinds of tissues that perform similar functions

e)

A structure that consists of different organs that work together closely to perform a vital function

9.

What is a Tissue?

a)

The smallest basic unit of structure and function in living things

b)

The smallest basic unit of structure of matter

c)

Groups of similar cells that have a common function

d)

A structure that is composed of different kinds of tissues that perform similar functions

e)

A structure that consists of different organs that work together closely to perform a vital function

10.

What is a Cell?

a)

The smallest basic unit of structure and function in living things

b)

The smallest basic unit of structure of matter

c)

Groups of similar cells that have a common function

d)

A structure that is composed of different kinds of tissues that perform similar functions

e)

A structure that consists of different organs that work together closely to perform a vital function

11.

What is an Organism?

a)

The smallest basic unit of structure and function in living things

b)

An individual living thing where all systems function to maintain homeostasis

c)

Groups of similar cells that have a common function

d)

A structure that is composed of different kinds of tissues that perform similar functions

e)

A structure that consists of different organs that work together closely to perform a vital function

12.

What other systems does your nervous system work with?

a)

Circulatory

b)

Respiratory

c)

Skeletal

d)

Muscular

e)

Immune

13.
The nervous system is composed of the ___, ___, and ___.
a)
heart, brain, kidneys
b)
lungs, liver, stomach
c)
brain, spinal cord, nerves
d)
eyes, pancreas, veins
14.

What is the function of the nervous system?

a)

to control and coordinate body functions and systems.

b)

to protect the body from harm.

c)

to identify pain and begin healing.

d)

to break down food.

15.

What is the function of a nerve?

a)

To transport needed food around the body

b)

To control body movement for reflexes.

c)

To carry messages (impulses) to and form the Central Nervous System

d)

All of the above

16.

What is the function of a nerve?

a)

To transport needed food around the body

b)

To control body movement for reflexes.

c)

To carry messages (impulses) to and form the Central Nervous System

d)

All of the above

17.

The column of tissue connecting the brain to nerves is...

a)

spinal cord

b)

central nervous system

c)

peripheral nervous system

d)

All of the above

18.
Inhale!!!!
Your lungs are ___________  air
a)
taking in
b)
letting out
19.
EXHALE!!!
My lungs are __________________ air. 
a)
taking in
b)
letting out
20.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
21.
What are the main organs of gas exchange in the respiratory system?
a)
diapragm
b)
lungs
c)
trachea
d)
bronchi
22.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
23.

What is oxygen needed for?

a)

energy releasing chemical reactions

b)

to make glucose

c)

to take in sunlight

d)

none of the above

24.

What does the respiratory system release?

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

ATP

25.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

26.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

27.

The circulatory system works with the ___________ system to provide our body with oxygen.

a)

respiratory

b)

digestive

c)

muscular

d)

skeletal

28.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
29.
Which is responsible for providing oxygen to cells?
a)
respiratory system
b)
circulatory system
c)
muscular system
d)
nervous system
30.
Which best describes the relationship between the muscular system and the circulatory system? 
a)
The circulatory system captures carbon dioxide from the air for muscle energy.
b)
The circulatory system produces red blood cells to bring oxygen to the muscles
c)
The circulatory system provides a framework for muscle movement
d)
The circulatory system delivers oxygen for muscle energy
31.
The main function of the circulatory system is 
a)
To give the body structure and support
b)
Excrete waste
c)
transport blood, nutrients, and gases throughout the body
d)
to transport messages from the body to the brain
32.

Which organ is responsible for absorbing water from digested food?

a)

small intestine

b)

stomach

c)

large intestine

d)

mouth

33.

Digestion begins here, where food is broken into smaller pieces before entering the esophagus.

a)

large intestine

b)

stomach

c)

small intestine

d)

mouth

34.

In which organ does most of the chemical digestion of food occur?

a)

small intestine

b)

large intestine

c)

stomach

d)

mouth

35.

Which organ of the digestive system secretes pepsin and hydrochloric acid?

a)

mouth

b)

stomach

c)

esophagus

d)

small intestine

36.

In which organ does most of the nutrient absorption occur?

a)

small intestine

b)

large intestine

c)

stomach

d)

mouth

37.

What is the digestive system?

a)

A system to take out the bad stuff that's in your body

b)

A system where a certain group of organs work together to convert food into energy to feed the body

c)

A system where certain organs in the body digest the food you eat

d)

A system that the organs in the stomach make food for the body to digest.

38.

What organ is responsible for the absorption of nutrients?

a)

esophagus

b)

stomach

c)

small intestine

d)

large intestine

39.

List the digestive tract in order from start to finish.

a)

mouth, stomach, esophagus, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, esophagus, stomach, small intestine, large intestine

d)

mouth, esophagus, small intestine, stomach, large intestine

40.

Endocrine glands secrete _

a)

Hormones

b)

Neurotransmitters

c)

A wide range of chemical substances

41.

What is the main function of the endocrine system?

a)

It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

b)

It creates electrical messages that are sent around the body to maintain homeostasis.

c)

It maintains the correct level of oxygen in the body to maintain homeostasis.

d)

It releases waste from the body to maintain homeostasis.

42.

The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.

a)

Positive Feedback

b)

Negative Feedback

c)

Homeostasis

d)

Targeted Cells

43.

Hormones are

a)

email messages

b)

chemical messages

c)

voicemail messages

d)

chemical markers

44.

The endocrine system works to maintain stable internal conditions (balance).

a)

Hormones

b)

Homeostasis

c)

Hypothyroidism

d)

Hidrosis

45.

Any organism that causes disease like a virus or bacteria is called:

a)

Antibiotics

b)

Antibody

c)

Pathogen

d)

Phagocyte

46.

A protein produced by B cells of the immune system that destroys pathogens is called:

a)

Antigens

b)

Antibodies

c)

T-cells

d)

Lymphocytes

47.

T or F - A fever can help you fight infection.

a)

true

b)

false

48.
Which of the following systems protects the body from disease?
a)

Digestive System

b)

Nervous System

c)

Immune System

d)

Skeletal System

49.
How do germs enter the body?
a)

From touching a mucous membrane

b)

From not washing your hands

c)

a.  From touching your face

d)

All of the above

50.

What is the first line of defense your body has against pathogens?

a)

B-lymphocytes

b)

Antibodies

c)

Antigens

d)

Skin and mucus

51.

Which are part of the integumentary system?

a)

Muscles, skeleton, bone marrow

b)

Hair, skin, bones

c)

Hair, skin, nails

d)

Brain, spinal cord, nerves

52.

Which is not a function of the integumentary system?

a)

Protection against foreign objects

b)

Sweating/cooling

c)

Insulating/warming

d)

Urinating

53.

How is your body cooled?

a)

Hair

b)

Fat

c)

Oil glands

d)

Sweat

54.

What's the outer-most layer of your skin called?

a)

Epidermis

b)

Dermis

c)

Subcutaneous fat layer

d)

All of the above

55.

How does your epidermis protect you from germs?

a)

By oil secretions

b)

By forming a boundary of protection

c)

By hair as protection

d)

By sweat

56.

What is the largest organ of your body?

a)

Liver

b)

Kidneys

c)

Skin

d)

None of the above

57.

Check all the main layers of the skin

a)

Alveoli layer

b)

Dermis

c)

Epidermis

d)

Subcutaneous fat layer

e)

Semi permeable layer

58.

What organ is responsible for the excretion of carbon dioxide?

a)

heart

b)

brain

c)

lungs

d)

bladder

59.

Which organ filters blood?

a)

Kidneys

b)

Large Intestine

c)

Lungs

d)

Bladder

60.

Which organ(s) absorb excess water and store solid waste?

a)

Bladder and kidneys

b)

Large Intestine

c)

Lungs

61.

What are the main functions of the excretory system?

a)

deliver oxygen to the body

b)

deliver nutrients to the body

c)

remove water and waste from the body

d)

remove disease from the body

62.

What is organ is #1?

a)

Kidney

b)

Stomach

c)

Bladder

d)

Heart

63.

What organ is #3?

a)

Kidney

b)

Stomach

c)

Bladder

d)

Heart

64.

What system does the muscular system work in conjunction with to allow our body to move?

a)

Digestive

b)

Respiratory

c)

Skeletal

d)

Circulatory

65.
What is a voluntary muscle?
a)
You have control over the muscle 
b)
You have no control over the muscle
c)
Muscle works automatically
d)
Muscles fuse together
66.
This muscle is an involuntary muscle and moves on it's own. 
a)
Heart
b)
Bicep
c)
Hamstring
d)
Lats 
67.
Muscles that you cannot choose to contract are called _______.
a)
involuntary muscles
b)
voluntary muscles
68.
What are the 3 types of muscle tissue?
a)
Thigh, Calf, & Shoulder
b)
Traps, Forearm, & Abs
c)
Hamstring, Biceps, & Triceps
d)
Smooth Muscle, Cardiac Muscle, & Skeletal Muscle
69.
The main purpose of the muscular system is to....
a)
Keep the heart beating
b)
Move the body
c)
Hit the dab
d)
Transfer oxygen
70.
The smooth muscle is located 
a)
In the heart 
b)
Bones 
c)
Head 
d)
Within organs 
71.
Which type of Muscles are under are conscious control?  This means we instruct them to perform
a)
Skeletal/Voluntary Muscle
b)
Smooth/Involentary
c)
Cardiac Muscle
d)
Rough Muscle 
72.
Cardiac muscle is only found where? 
a)
Lungs
b)
Heart
c)
Kidney's 
d)
Liver
73.
Skeletal muscles are attached to the _________.
a)
Stomach
b)
Lungs
c)
Bones
d)
Involuntary Muscles
74.
From which system does the body get the message to move?
a)
Circulatory System
b)
Skeletal System
c)
Muscular System
d)
Nervous System
75.

Substance found inside some long bones that makes blood cells.

a)

cartilage

b)

marrow

c)

ligament

d)

spongy bone

76.

What fills the hollow of most bones?

a)

Bone blood

b)

Bone marrow

c)

Spongy bone

d)

Compact bone

77.

The bone marrow makes _______________________ cells.

a)
blood
b)
cancer
c)
large
d)
normal
78.
Bones, cartilage, and the special structures that connect them make up your
a)
Skeletal System
b)
Muscular System
c)
Nervous System
d)
Cardiovascular System
79.
Which type of marrow stores fat?
a)
Red
b)
Yellow
c)
Black
d)
White
80.

Match the Level of Organization with the appropriate picture:

a)

1.

Cell

b)

2.

Tissue

c)

3.

Organ

d)

4.

Organ System

e)

5.

Organism

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