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Revising the 3 Body Systems

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which system is responsible for breaking down food and absorbing nutrients?

a)

Respiratory System

b)

Circulatory System

c)

Digestive System

d)

Skeletal System

2.

What body system does your blood belong to?

a)

Respiratory System

b)

Circulatory System

c)

Digestive System

d)

Muscular System

3.

Why does your heart rate increase when you do exercise?

a)

Because your body requires more oxygen which is in the blood, so your heart needs to pump blood faster around the body so you can do exercise

b)

Because your body requires more carbon dioxide in the muscles to exercise

c)

Because your body requires oxygen from your respiratory system which will move blood around your body

d)

Because you are unfit

4.

How does the respiratory system and circulatory system work together to allow someone to exercise?

a)

Carbon dioxide is inhaled and travels through the blood in the circulatory system to give the body energy to exercise

b)

Food is digested in the digestive system and gives the body energy to exercise

c)

Oxygen is inhaled and the faster someone breathes, the more glucose they get to give them energy to exercise

d)

Oxygen is inhaled and travels through the respiratory system and then enters the circulatory system through the blood and is moved around the body to the muscles

5.

If a person's heart rate is increasing because they are running laps, what do you think would happen to their respiratory rate (how fast they breathe)?

a)

It will get slower (decrease)

b)

It will get faster (increase)

c)

It will stay the same as if they were not running

6.

Villi is in the small intestine and increases the surface area of the organ so that more nutrients can be absorbed. True or False?

a)

True

b)

False

7.

If the small intestine was damaged and the villi inside was harmed, what do you think will happen to the percentage of absorption of nutrients?

a)

It will increase and more nutrients will be absorbed

b)

It will not change how many nutrients are absorbed

c)

It will decrease and less nutrients will be absorbed

8.

The small intestine has a large surface area which helps with absorption, but it also has a long _________

a)

Width

b)

Length

c)

Area

d)

Volume

9.

In the acronym S A L T for graphing, the L stands for:

a)

Labels

b)

Line

c)

List

d)

Last

10.

In a graph, the independent variable ___________

a)

cannot be changed by the scientist

b)

can be changed by the scientist

c)

is the same as the dependent variable

11.

When I am graphing, I need to make sure that my axes have __________

a)

a title and numbers

b)

colours and boxes

c)

units and colour key

d)

labels and units

12.

My blood will carry ___________ around the body to give me energy and release ____________ as waste

a)

1. oxygen 2. carbon dioxide

b)

1. carbon dioxide 2. oxygen

c)

1. glucose 2. air

d)

1. red blood cells 2. stool

13.

There are two types of digestion in the body:

a)

chemical and enzyme

b)

glucose and amylase

c)

physical and chemical

d)

chewing and swallowing

14.

In chemical digestion, _______ helps to break down food in our mouth

a)

enzymes

b)

chemicals

c)

saliva

d)

teeth

15.

This term, the heart dissection was...

a)

Awesome!

b)

Okay

c)

Not as fun as I expected

d)

No idea, I didn't do it!