WorksheetsUnit 13 Review
Total questions: 55
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
Organ system that takes nutrients from your food and absorbs it into your body.
a)
Circulatory
b)
Digestive
c)
Respiratory
d)
Endocrine
2.
Organ system that includes HORMONES and glands
a)
Excretory
b)
Endocrine
c)
Circulatory
d)
Lymphatic /Immune
3.
Organ System that provides support and protection for your body.
a)
Muscular
b)
Skeletal
c)
Circulatory
d)
Endocrine
4.
Organ system that SENDS and RECEIVES MESSAGES to different parts of your body.
a)
Circulatory
b)
Nervous
c)
Integumentary
d)
Digestive
5.
Organ System that uses kidneys and bladder to REMOVE URINE from your body.
a)
Excretory
b)
Endocrine
c)
Integumentary
d)
Digestive
6.
What is HOMEOSTASIS?
a)
Body's ability to maintain a STABLE internal environment
b)
Body's ability to maintain an internal environment that is constantly CHANGING
7.
What is a group of organs that work together?
a)
Cell
b)
Tissue
c)
Organ Group
d)
Organ System
8.
Organ System that includes skin, hair, and nails. Protects your body and regulates body termperature.
a)
Integumentary
b)
Circulatory
c)
Digestive
d)
Excretory
9.
Organ system that TRANSPORTS materials around your body
a)
Circulatory
b)
Respiratory
c)
Digestive
d)
Endocrine
10.
Organ System that Exchanges Oxygen and Carbon Dioxide with the air you breathe in.
a)
Respiratory
b)
Circulatory
c)
Digestive
d)
Muscular
11.
Marrow cavity inside the bones is responsible for what?
a)
growth
b)
transporting plasma throughout the body
c)
producing enzymes
d)
making red bloods cells
12.
Involuntary cardiac muscles are found only in one of the following organs in the body?
a)
liver
b)
small intestine
c)
heart
d)
lung
13.
One of the skins functions is to:
a)
respond to digestion by producing enzymes
b)
regulate white blood cells
c)
control the heart
d)
provide protection from environment & disease
14.
Which of the following is NOT a task performed by the digestive system?
a)
respiration
b)
chemical breakdown
c)
mechanical breakdown
d)
absorption
15.
What is the main function of the Excretory System?
a)
To excrete saliva
b)
Get rid of waste products from your cells
c)
Break down food for digestion
d)
Circulate oxygen
16.
Which type of digestion does stomach acid help with?
a)
chemical
b)
mechanical
c)
pH
d)
peristalsis
17.
Which correctly follows the pathway of food through the digestive tract?
a)
Mouth – stomach – esophagus – small intestines – large intestines - rectum
b)
Mouth – esophagus– stomach– small intestines – kidneys - large intestines – rectum
c)
Mouth – esophagus– stomach– large intestines – small intestines – rectum
d)
Mouth – esophagus– stomach– small intestines – large intestines – rectum
18.
maintain stable internal conditions. Examples include fever and vomiting.
a)
homeostasis
b)
telekinesis
c)
alveoli
d)
epidermis
19.
a body system that controls and coordinates all body activities through electric impulses/messages between brain, spinal cord and nerves.
a)
endocrine system
b)
nervous system
c)
nerve
d)
neuron
20.
Which is NOT a function of the circulatory system?
a)
deliver O2 and nutrients to cells
b)
remove CO2 and wastes from cells
c)
break down carbohydrates into glucose
d)
transport other materials through body
21.
What does blood do?
a)
Carries Water to cells
b)
Carries Oxygen to cells
c)
Carries Food to cells
d)
All of the above
22.
What is the immune system’s main purpose?
a)
Let’s germs into the body.
b)
Helps your body fight off illness and disease.
c)
The immune system produces illness and bacteria.
d)
The immune system trap germs in an organ so they do not spread.
23.
The kidneys, uretha, and bladder are part of the _______________ system.
a)
Digestive
b)
Urinary
c)
Immune
d)
Circulatory
24.
The heart arteries and viens are part of the ___________ system.
a)
Respiratory
b)
Digestive
c)
Immune
d)
Cardiovascular
25.
What is a group of similar cells that work together?
a)
Tissue
b)
Organ
c)
Cell group
d)
Organ system
26.
What is a group of organs that work together?
a)
Cell
b)
Tissue
c)
Organ Group
d)
Organ System
27.
The basic unit of structure and function in the human body is the....
a)
organ
b)
organ system
c)
cell
d)
tissue
28.
Tissues join together to form:
a)
cells
b)
organs
c)
organ systems
d)
organisms
29.
The main job of the respiratory system is...
a)
to exchange gases
b)
to give you a headache
c)
to blow up a balloon
d)
to digest food
30.
This body system helps the Digestive System absorb nutrients from digested food and sends those nutrients around the body.
a)
Respiratory
b)
Circulatory
c)
Nervous
d)
Integumentary
31.
The ___________ are the main organs of the respiratory system.
a)
vein
b)
lungs
c)
artery
32.
T/F positive feedback works to maintain homeostasis
a)
True
b)
False
33.
T/F Positive feedback enhances or amplifies the original stimulus
a)
True
b)
False
34.
T/F Negative feedback does maintain homeostasis
a)
true
b)
false
35.
Negative feedback ________ the original stimulus
a)
enhances
b)
inhibits
c)
propagates
d)
expands
36.
positive or negative feedback
a)
positive
b)
negative
37.
a)
example of positive feedback
b)
example of negative feedback
38.
Put these in order from smallest to largest
a)
organism - organ system - tissue- cell- organelle
b)
cell - organelle - organ system- organ- organism
c)
cell- tissue - organ system - orgna
d)
organelle- cell- tissue- organ- organ system- organism
39.
The process that creates new body cells
a)
mitosis
b)
meiosis
c)
gamete cell division
40.
What 2 systems protect the body from pathogens
a)
Excretory and Immune
b)
Immune and Endocrine
c)
Immune and Circulatory
d)
Circulatory and Endocrine
41.
provides a barrier against infection and injusry, regulates temperature, removes waste and protects against ultraviolet radiation is your _______ system
a)
excretory
b)
reproductive
c)
immune
d)
integumentary
42.
The pituitary, thyroid and adrenal glands are all members of what human body system?
a)
Nervous
b)
Circulatory
c)
Digestive
d)
Endocrine
43.
Which system gives your body shape and support?
a)
muscular system
b)
nervous system
c)
skeletal system
d)
integumentary system
44.
Which system is responsible for moving body parts by contracting?
a)
skeletal
b)
muscular
c)
urinary
d)
integumentary
45.
What is the main organ in your integumentary system?
a)
stomach
b)
skin
c)
hair
d)
small intestine
46.
Which system does the muscular system NOT assist?
a)
Skeletal
b)
Respiratory
c)
Circulatory
d)
Answer not here
47.
How do your muscular and skeletal systems work together?
a)
muscles make bone marrow for the skeletal system
b)
muscles pull bones for movement
c)
muscles protect bones
d)
bones make blood cells for the muscular system
48.
Which system helps with voluntary and involuntary movement; helps circulate blood and move food through the digestive tract
a)
muscular
b)
skeletal
c)
immune
d)
excretory
49.
Which system produces sperm and egg cells? In females, it also nourishes the fetus.
a)
reproductive
b)
endocrine
c)
nervous
d)
immune
50.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
51.
What type of macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
52.
Enzymes need certain environmental conditions in order to function properly. What happens when enzymes are heated to a high temperature?
a)
they die
b)
they denature
c)
they change their amino acid sequence
d)
they work better
53.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern
54.
How do enzymes work?
a)
Slow down chemical reactions
b)
Prevent chemical reactions from working
c)
increase the activation energy
d)
speed up the chemical reaction
55.
the pH at which an enzyme is most efficient is called the _________ pH of an enzyme
a)
neutral
b)
optimum
c)
minimum
d)
experimental
100 %
