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Science of the Human Body

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

how many chromosones do you have

a)

43

b)

34

c)

46

d)

109

2.

how many chromosomes do you get from you mom

a)

23

b)

31

c)

46

d)

100000000

3.

how many organs are in the human body

a)

78

b)

87

c)

56

d)

565656

4.

what is this

a)

kidney

b)

lungs

c)

eyes

d)

liver

5.

The breathing rate of a human increases after exercise. The part of the brain that controls this involuntary action is

a)

cerebrum

b)

cerebellum

c)

medulla

d)

spinal cord

6.

A man suffers a head injury during a basketball game. For several days afterward, he can't remember his social media passwords. This memory loss results from damage to the man's

a)

cerebrum

b)

cerebellum

c)

medulla

d)

spinal cord

7.

Which part of the human brain is correctly paired with its function?

a)

spinal cord - coordinates learning activities

b)

cerebellum - serves as the center for breathing and other actions

c)

cerebrum - serves as the center for thinking and learning

d)

medulla - maintains muscle control

8.

When a child runs inside after hearing a car crash outside, the child is using:

a)

the central nervous system, only

b)

the peripheral nervous system, only

c)

both the central and peripheral nervous systems

d)

neither the central nor the peripheral nervous system

9.

The peripheral nervous system consists of the

a)

neurons located in the brain and the spinal cord

b)

nerves that extend from the brain and the spinal cord

c)

interneurons of the central nervous system

d)

portions of the brain known as the medulla and cerebellum

10.

What is the primary function of the human respiratory system?

a)

To circulate blood throughout the body

b)

To break down food into nutrients

c)

To exchange gases between the body and the environment

d)

To transmit nerve signals

11.

Which organ is responsible for filtering and removing waste from the blood?

a)

Liver

b)

Kidney

c)

Heart

d)

Lungs

12.

What is the basic structural and functional unit of the human body?

a)

Tissue

b)

Organ

c)

Cell

d)

System

13.

Which part of the human brain is responsible for balance and coordination?

a)

Cerebrum

b)

Cerebellum

c)

Medulla

d)

Hypothalamus

14.

What type of joint is found in the human shoulder?

a)

Hinge joint

b)

Ball and socket joint

c)

Pivot joint

d)

Gliding joint

15.

Which component of blood is primarily responsible for clotting?

a)

Red blood cells

b)

White blood cells

c)

Platelets

d)

Plasma