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Human Body Systems and Immune System

Total questions: 19

Worksheet time: 19mins

Name
Class
Date
1.

This system is responsible for breaking food down into useable nutrients.

a)

Digestive

b)

Respiratory

c)

Muscular

d)

Circularly

2.

This system allows oxygen to enter the bloodstream.

(a)  

3.

This system works with the skeletal system to allow you to swim.

(a)  

4.

Without this system, oxygen could not reach the brain.

(a)  

5.

The body uses negative feedback to maintain (a)   .

6.

An example of homeostasis is sweating when you are hot. Sweating helps maintain your body's

a)

sugar level

b)

oxygen level

c)

calcium level

d)

temperature level

7.

Which system protects your brain and lungs?

(a)  

8.

Which system works with the digestive system to allows nutrients to reach the muscles?

(a)  

9.

Which system helps move food through the small intestines?

(a)  

10.

Which system releases hormones that help regulate growth?

(a)  

11.

Which system works with the circulatory system to allow oxygen to reach the cells?

(a)  

12.

This organ belongs to which human body system?

(a)  

13.

Which system works with the nervous system to control homeostasis?

a)

endocrine

b)

muscular

c)

respiratory

d)

skeletal

14.

A (a)   causes disease.

15.

A (a)   can reproduce only inside a host's cell.

16.

(a)   are single-celled organisms that can reproduce very quickly in our bodies.

17.

The ______ is the first line of defense against infection.

a)

skin

b)

white blood cells

18.

The ______ system defends your body against disease.

a)

immune

b)

nervous

19.

What cause you to feel feverish when you have the flu?

a)

The immune system fighting the virus

b)

The virus reproducing in the cells

c)

The bacteria producing toxins

d)

All of the above