Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

6-LS1 Human Body

Total questions: 85

Worksheet time: 2hrs 53mins

Name
Class
Date
1.

The top layer of the skin is called the ---

a)

dermis

b)

oil gland

c)

subcutaneous fat

d)

epidermis

2.

____ is the coloring in skin and is found in the epidermis.

a)

Melanin

b)

Oil

c)

Perspiration

d)

Pores

3.

What is the name of tube that hair grows from?

a)

Follicle

b)

Root

c)

Shaft

d)

Sebaceous

4.

Which layer contains accessory structures such as sweat glands, sebaceous glands, and hair follicles?

a)

epidermis

b)

dermis

c)

subcutaneous fat

d)

hyperdermis

5.

Which layer of the skin does NOT contain blood vessels?

a)

epidermis

b)

subcutaneous fat

c)

dermis

6.
What is NOT a function of the skin?
a)
Eliminates Waste
b)
Produces Calcium
c)
Protects Body
d)
Maintains Body Temperature
7.

Sweating and shivering are your body's way of regulating its ---

a)

Water loss

b)

Temperature

c)

Hair growth

d)

Vitamin D absorption

8.

The integumentary system is made up of the ---

a)

Skin, Muscle, and Bone

b)

Hair, Nails, and Sweat

c)

Nails, Hair, and Skin

d)

3 layers of tissue

9.

#1 on this diagram is the ---

a)

epidermis

b)

dermis

c)

subcutaneous fat

d)

follicle

10.

#2 on this diagram is the ---

a)

epidermis

b)

dermis

c)

subcutaneous fat

d)

follicle

11.

#3 on this diagram is the ---

a)

epidermis

b)

dermis

c)

subcutaneous fat

d)

follicle

12.

Tiny openings at the skin’s surface are called ---

a)

epidermis

b)

pores

c)

dermis

d)

oil gland

13.
What is the main function of the nervous system?
a)
clean waste from the cells
b)
absorb nutrients for energy
c)
deliver messages to the brain
14.

What are the three main parts of the nervous system?

a)

cerebellum, cerebrum, medulla

b)

cochlea, nerves, vestibule

c)

brain, spinal cord, nerves

15.

What type of cell gathers and carries information?

a)

Fat cells

b)

Red blood cells

c)

Stem cells

d)

Neurons

16.

The _______ is a bundle of wire-like nerves threaded through the backbones, through which electrical messages travel between the brain and body.

a)

neurons

b)

spinal cord

c)

mitochondria

d)

brain

17.

The _____ system controls and coordinates all body activities through electric impulses/messages between brain, spinal cord and nerves.

a)

endocrine

b)

nervous

c)

digestive

d)

integumentary

18.

What is the central nervous system (CNS) made of?

a)

brain and spinal cord

b)

brain and cranial nerves

c)

spinal cord and spinal nerves

d)

cranial nerves and spinal nerves

19.
What is the largest area of the brain that controls everything conscious?
a)
Cerebellum
b)
Cerebrum
c)
Diencephalon
d)
Brain Stem
20.
Which part of the brain controls reflexes?
a)
Cerebrum
b)
Cerebellum
c)
Brain stem
d)
Spinal cord
21.

Our ______ receive messages and send them to the brain. The brain sends messages to our body on how to respond.

a)

heart

b)

lungs

c)

nerves

22.

Which of the following is a VOLUNTARY action?

a)
b)
c)
d)
23.

Which of the following is an INVOLUNTARY action?

a)
b)
c)
d)
24.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

to break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

25.

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

a)

diapragm

b)

lungs

c)

trachea

26.

What is function of the dome-shaped diaphragm muscle?

a)

This is where gas exchange happens.

b)

Air passes through the diaphragm on the way to the lungs.

c)

It attaches to the lungs and contracts and relaxes to help in breathing.

27.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
28.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
29.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

30.

What is tube that leads from the larynx to the bronchi and is also known as your wind pipe?

a)

esophogus

b)

bronchi

c)

trachea

d)

alveoli

31.

These are the two two main branches from the trachea (one to each lung)

a)

bronchi

b)

alveoli

c)

capillaries

d)

bronchioles

32.

What type of cells carry oxygen in the blood?

a)

red blood cells

b)

white blood cells

33.

The circulatory system works with the ________ system to provide our body with oxygen and get rid of CO2 (carbon dioxide).

a)

respiratory

b)

integumentary

c)

muscular

d)

skeletal

34.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
35.
A lengthening of the muscle when made less tense, to release.
a)
relax​
b)
lung
c)
respiratory system
d)
respiration
36.
A shortening of the muscle when made tense.
a)
respiration​
b)
contract​
c)
alveoli​
d)
lungs​
37.
Which is a function of the cardiovascular system?
a)
to move water throughout the body
b)
to transport gases throughout the body 
c)
to eliminate waste from the body
d)
to provide structural support for the body 
38.

The smallest type of blood vessel is the ---

a)

nerve.

b)

vein.

c)

capillary.

d)

artery.

39.

Veins have special __________ to stop blood from flowing backwards.

a)

gravity

b)

valves

c)

arteries

d)

ventricles

40.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
41.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
42.

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. Additionally, the heart is made of cardiac muscle.

43.

White blood cells ---

a)

allow for gases to exchange.

b)

give blood its color.

c)

fight infection and disease.

d)

help clot blood.

44.

Platelets ---

a)

allow for gases to exchange

b)

give blood its color

c)

fight infection and disease

d)

help clot blood

45.

The heart is an organ that pumps blood throughout the body supplying oxygen, nutrients, and hormones to and from tissues. It also removes ___________ and other wastes.

a)

hydrogen dioxide

b)

carbon moxoide

c)

oxygen

d)

carbon dioxide

46.

The heart is made up of _________ chambers.

a)

one

b)

two

c)

three

d)

four

47.

Capillaries join _____ together.

a)

veins and arteries

b)

veins and the heart

c)

heart and valves

48.

How does the heart work?

a)

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

b)

It pumps blood first to the rest of the body, back to the lungs and then to the heart.

c)

It pumps blood around the rest of the body, back to the heart and then to the lungs,

49.
What is the main function of the excretory system?
a)
to collect and remove wastes from the body
b)
to strengthen skeletal muscles
c)
to protect the nervous system
d)
to bring oxygen to body cells
50.

Urine is _____ mixed with excess water.

a)

blood cells

b)

protein

c)

glucose

d)

urea

51.

Which organ helps the excretory system by eliminating water and some chemical wastes in perspiration (sweat)?

a)

lungs

b)

skin

c)

liver

d)

kidneys

52.

What is organ is #1?

a)

Kidney

b)

Ureters

c)

Bladder

d)

Urethra

53.

What organ is #3?

a)

Kidney

b)

Ureters

c)

Bladder

d)

Urethra

54.

On the diagram, B is pointing to the ureters. What is the function of the ureters?

a)

Carries urine away from the kidneys to the bladder

b)

Stores urine

c)

Eliminates urea, excess water, and some other materials

d)

Carries urine out of the body and eliminates it

55.
Movements that you choose to control
a)
Cramp
b)
Voluntary
c)
Strain
d)
Involuntary
56.
Movements that you cannot control
a)
Strain
b)
Sprain
c)
Voluntary
d)
Involuntary
57.
These muscles are attached to your bones
a)
Skeletal
b)
Smooth
c)
Rough
d)
Cardiac
58.
These muscles are found in your organs
a)
Skeletal
b)
Smooth
c)
Rough
d)
Cardiac
59.
This muscle is only found in your heart.
a)
Skeletal
b)
Smooth
c)
Rough
d)
Cardiac
60.

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

61.
Muscles always work in _____
a)
pairs
b)
groups of 3
c)
bones
d)
joints
62.
Tendons connect __________ to bone.
a)
Cartilage
b)
Bone
c)
Muscle
d)
Ligaments
63.

Your skull is an example of a _____ joint.

a)

Immovable

b)

Ball and socket

c)

Hinge

d)

Pivot

e)

Gliding

64.

Which part of long bones makes blood cells and stores fat?

a)

Compact bone

b)

Spongy bone

c)

Marrow

d)

Cartilage

65.

The _____ is the soft inner layer of bone.

a)

Compact bone

b)

Spongy bone

c)

Marrow

d)

Cartilage

66.

Bones are held together by connective tissue called ---

a)

Ligaments

b)

Tendons

c)

Marrow

d)

Cartilage

67.

What bone is highlighted?

a)

Skull (Cranium)

b)

Mandible

c)

Clavicle

d)

Scapula

68.

What bone is highlighted?

a)

Vertebrae

b)

Radius

c)

Pelvis

d)

Ribs

69.

Which is not a function of the skeletal system?

a)

shape and support

b)

movement

c)

protection

d)

gas exchange

70.

What is a joint?

a)

The place where 2 or more bones meet.

b)

A thin membrane that covers the surface of bone.

c)

A band of tissue that hold bones together.

d)

Connective tissue

71.

What are the ends of bone covered with that helps reduce friction when two bones are rubbed together?

a)

marrow

b)

ligament

c)

tendon

d)

cartilage

72.

What is the best definition for digestion?

a)

Breaking down food into smaller nutrients

b)

Getting rid of waste products

c)

Getting food into our bodies

d)

Getting nutrients into our bloodstream, so that our cells can use them

73.

What is the best definition for absorption?

a)

Breaking down food into smaller nutrients

b)

Getting rid of waste products

c)

Getting food into our bodies

d)

Getting nutrients into our bloodstream, so that our cells can use them

74.
What is the definition for elimination?
a)
Breaking down food into smaller nutrients
b)
Getting rid of waste products
c)
Getting food into our bodies
d)
Getting nutrients into our bloodstream, so that our cells can use them
75.

In which organ does digestion of food begin?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

76.

The muscular tube that moves food from the mouth to the stomach is called the ---

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

77.

In which organ are nutrients absorbed into the blood?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

78.

In which organ are food particles churned and broken down by acids and enzymes?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

79.

In which organ are extra water and minerals are absorbed?

a)

liver

b)

small intestine

c)

stomach

d)

large intestine

80.

Food broken down by physical processes is called _____ digestion.

a)

mechanical

b)

chemical

81.

Food broken down by chemical processes is called _____ digestion.

a)

mechanical

b)

chemical

82.

What is not a function of the digestive system?

a)

Filter urea from the blood

b)

Absorb water

c)

Process waste

d)

Break down food into nutrients

83.

Which organ produces the bile that is used to break down fats?

a)

Liver

b)

Large Intestine

c)

Mouth

d)

Pancreas

84.

What stores bile?

a)

Liver

b)

Gallbladder

c)

Small Intestine

d)

Pancreas

85.

Which organ produces digestive juices for the small Intestine? It also produces insulin and is related to diabetes.

a)

Stomach

b)

Liver

c)

Gallbladder

d)

Pancreas