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Worksheets

Human System

Total questions: 68

Worksheet time: 34mins

Name
Class
Date
1.

What is brain?

a)
b)
c)
2.

The bigger parts of our body are called__________

a)

bones

b)

Living machine

c)

Organs

3.

The living body is an amazing_________________

a)

bones

b)

Living machine

c)

Organs

4.

What are bones?

a)
b)
c)
5.

There are 206 in an adult body.

a)

bones

b)

Living machine

c)

Organs

6.

The skull protects the_____________

a)

bones

b)

heart

c)

Organs

d)

brain

7.

Our skeleton protects the organs __________________

a)

outside

b)

living

c)

inside

8.

    When you break a bone, a doctor will take _____________

a)

outside

b)

an x- ray

c)

a photograph

9.

Digestive system

a)
b)
c)
10.

Skeletal system

a)
b)
c)
d)

e)

11.

Respiratory system

a)
b)
c)
12.

Circulatory system

a)
b)
c)
d)
e)

13.

Muscular system

a)
b)
c)
d)
e)
14.

Nervous system

a)
b)
c)
d)
e)
15.

What is this system?

a)

Digestive system

b)

Nervous system

c)

Respiratory system

d)

Circulatory system

e)

Skeletal system

16.

What is this system?

a)

Digestive system

b)

Nervous system

c)

Respiratory system

d)

Circulatory system

e)

Skeletal system

17.

What is this system?

a)

Digestive system

b)

Nervous system

c)

Respiratory system

d)

Circulatory system

e)

Skeletal system

18.

What is this system?

a)

Digestive system

b)

Nervous system

c)

Respiratory system

d)

Circulatory system

e)

Skeletal system

19.

What is this system?

a)

Digestive system

b)

Nervous system

c)

Respiratory system

d)

Circulatory system

e)

Skeletal system

20.

There are ___________ senses organs

a)

Four

b)

Five

21.

Sensory nerves send messages_________the brain

a)

to

b)

from

22.

Sensory nerves send messages from the

a)

Spinal cord

b)

Outside the world

23.

Our ______________ controls our body

a)

Digestive system

b)

Nervous system

24.

The ____________ send signals to the brain about what is happening outside.

a)

Neurons

b)

Nerves

25.

The signals through the __________________

a)

Digestive system

b)

world

c)

spinal cord

26.

Match the situation to the senses that perceives it.

This cat's fur is soft

a)

Skin

b)

Eyes

c)

Nose

d)

Tongue

e)

ears

27.

Match the situation to the senses that perceives it.

Something is burning

a)

Skin

b)

Eyes

c)

Nose

d)

Tongue

e)

ears

28.

Match the situation to the senses that perceives it.

There are clouds in the sky

a)

Skin

b)

Eyes

c)

Nose

d)

Tongue

e)

ears

29.

Match the situation to the senses that perceives it.

The cake is delicious

a)

Skin

b)

Eyes

c)

Nose

d)

Tongue

e)

ears

30.

Match the situation to the senses that perceives it.

The music is to loud

a)

Skin

b)

Eyes

c)

Nose

d)

Tongue

e)

ears

31.

What body system is shown in the picture?

a)

Muscular System

b)

Skeletal System

c)

Nervous System

d)

Respiratory System

32.

What body system is shown in the picture?

a)

Nervous System

b)

Skeletal System

c)

Respiratory System

d)

Digestive System

33.

What system is shown in the picture?

a)

Circulatory System

b)

Muscular System

c)

Nervous System

d)

Digestive System

34.

What system is shown in the picture?

a)

Nervous System

b)

Respiratory System

c)

Muscular System

d)

Circulatory System

35.

What system is shown in the picture?

a)

Skeletal System

b)

Respiratory System

c)

Muscular System

d)

Circulatory System

36.

What are Voluntary Muscles?

a)

Muscles you can control

b)

Muscles that are found in the heart

c)

Muscles that you CANNOT control

d)

Muscles that you build

37.

Where does oxygen enter your body?

a)

Mouth and eyes

b)

Eyes and ears

c)

Mouth and nose

d)

Only nose

38.

What are the three main parts of the circulatory system?

a)

Blood, Heart, and Lungs

b)

Blood, Blood Vessels, and Heart

c)

Smooth muscles, Lungs, and Bones

d)

Blood Vessels, Muscles, and Air Sacs

39.

Where does the process of digestion begin?

a)

Mouth

b)

Lungs

c)

Stomach

d)

Large Intestines

40.

What are the sense organs of the central nervous system?

a)

Eyes, Ears, Nose, and Tongue

b)

Tongue and Teeth

c)

Eyes and Ears

d)

Skin

41.

What is the main purpose of our immune system?

a)

To help us move

b)

To help us breathe

c)

To help protect us from bacteria and viruses

d)

To help our hair grow

42.

What is one thing that the skeletal system does?

a)

Helps us breathe

b)

Protects our organs

c)

Pumps blood to the rest of our body

d)

Helps us see

43.

Why does our pupil get larger when it is dark?

a)

Because it is too bright

b)

Our pupil doesn't change size, only animals

c)

To let in more light to help us see

44.

What system moves blood and oxygen throughout the entire body?

a)

Skeletal system

b)

Digestive System

c)

Nervous System

d)

Circulatory System

45.

What system allows oxygen to enter and carbon dioxide to leave the body?

a)

Circulatory System

b)

Respiratory System

c)

Muscular System

d)

Digestive System

46.

What system breaks down doos and uses nutrients in the body?

a)

Digestive System

b)

Nervous System

c)

Circulatory System

d)

Skeletal System

47.

What system allows the body to move?

a)

Respiratory System

b)

Digestive System

c)

Muscular System

d)

Nervous System

48.

What system provides framework and structure for the body?

a)

Digestive Sysem

b)

Skeletal System

c)

Nervous System

d)

Respiratory System

49.

What system is shown in the picture?

a)

Skeletal System

b)

Muscular System

50.

What system is shown in the picture?

a)

Muscular System

b)

Skeletal System

51.

What is one thing that the skeletal system does?

a)

Helps us breathe

b)

Pumps blood to the rest of our body

c)

Protects our organs

d)

Helps us see

52.

What system allows the body to move?

a)

Muscular System

b)

Nervous System

53.

Which system supports the body and protects organs?

a)

skeletal system

b)

muscular system

c)

respiratory system

54.

There are ... bones in the body

a)

207

b)

206

c)

270

d)

260

55.

Which organs do the ribs protect?

a)

Brain

b)

Stomach

c)

Heart and lungs

d)

Liver

56.

Which bones protect your brain?

a)

ribcage

b)

skull

c)

head

d)

hipbone

57.

The ... is made up all the muscles in our body.

a)

skeletal system

b)

muscular system

58.

When you bend your head side to side, which muscles for this movement are around?

a)

arm

b)

upper arm

c)

neck

d)

head

59.

The parts have different job, they are made up of many parts working together is...

a)

system

b)

disorder

c)

connection

d)

mess

60.

The set of bones inside your head that protects your brain is called ____________.

a)

femur

b)

skull

c)

backbone

61.

What happens after you break a bone?

a)

your body connects the bone together and the bone heals

b)

your body won't need bones anymore

c)

the bone will be broken forever

d)

you grow an extra bone

62.

What happens as you grow and change?

a)

your bones stay the same

b)

your bones don't need calcium when you're a grown up

c)

your bones get smaller

d)

your bones grow and change too

63.

Which activity DOES NOT help your bones?

a)

eating a leafy green salad and drinking milk

b)

playing sports and getting enough exercise

c)

wearing a helmet and body pads

d)

eating junk food and staying inside

64.

When the muscle move, the bones ...

a)

stay in the position

b)

not move

c)

move

d)

maybe move

65.

The skeletal system is also called...

a)

bones

b)

muscular

c)

muscle

d)

skeleton

66.

Our bones .... move by themselves.

a)

can

b)

cannot

67.

If one part of system is missing or does not work. What will happen?

a)

the system still can works.

b)

the system cannot work properly.

c)

the system can be broken.

d)

the system needs to change.

68.

The skeleton ... the body and gives it its shape.

a)

supports

b)

hold

c)

join

d)

attract