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Heart, lungs and circulation

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Which number shows the heart?

a)

2

b)

4

c)

5

d)

6

2.

In which body system is the heart found?

a)

breathing system

b)

circulatory system

c)

respiratory system

d)

skeletal system

3.

Which best describes the circulatory system?

a)

lungs and heart

b)

lungs and blood

c)

heart, blood vessels and blood

d)

muscles, heart and lungs

4.

Which of these are found in the thorax?

a)

heart and blood vessels only

b)

heart and lungs only

c)

lungs and blood vessels only

d)

lungs, heart and blood vessels

5.

Which body system does the poster show?

a)

breathing system

b)

respiratory system

c)

circulatory system

d)

excretory system

6.

What do the blue and pink lines on the poster show?

a)

organs

b)

heart

c)

movement of blood

d)

blood vessels

7.

Which waste does the blood take to Q to be removed?

a)

air

b)

carbon dioxide

c)

oxygen

d)

sweat

8.

What is the main reason that humans need a heart?

a)

to use oxygen in a chemical reaction

b)

to remove waste gases

c)

to pump blood around the body

d)

to ventilate the lungs

9.

Which gas do humans use to respire?

a)

carbon dioxide

b)

nitrogen

c)

oxygen

d)

water vapour

10.

The oxygen our body needs comes from the _______________

a)

breathing

b)

circulation

c)

lungs

d)

air

11.

Where does the oxygen gas enter the body?

a)

blood vessels

b)

heart

c)

muscles

d)

lungs

12.

The entry of the oxygen gas into our lungs is called ____________

a)

respiration

b)

breathing

c)

circulation

d)

excretion

13.

Which statement best describes breathing/ventilation?

a)

transporting gases to muscles

b)

the way that the body uses oxygen

c)

moving air in and out of the lungs

d)

the circulation of blood round

the body

14.

How are gases transported around the body?

a)

in the blood

b)

by the heart

c)

in the bones

d)

by the lungs

15.

When oxygen reaches the organs of our body, it is used for______________

a)

breathing

b)

circulation

c)

excretion

d)

respiration

16.

The blood carries gases around the body.

Name two other things blood transports around the body

a)

oxygen

b)

oxygen and carbon dioxide

c)

nutrients and water

d)

nutrients

17.

What is pulse rate a measure of?

a)

number of breathing in

b)

number of breathing out

c)

heart rate

d)

sleeping time

18.

Give a unit that pulse rate is measured in

a)

Newton

b)

beats per minute

c)

grams

d)

calories

19.

Rio is checking the pulse in his neck to measure his heart rate.

In which other place could he easily check a pulse?

a)

elbow

b)

knee

c)

wrist

d)

shoulder

20.

Rio counts for 15 seconds. He counts 20 beats.

What is Rio’s heart rate in beats per minute?

a)

20

b)

40

c)

60

d)

80

21.

Which activity is most likely to lower the pulse rate?

a)

running

b)

walking

c)

lying down in bed asleep

d)

getting out of bed

22.

These athletes are ready to start a race.

What happens to their pulse rate when they start to run?

a)

Their pulse rate will increase

b)

Their pulse rate will decrease

c)

Their pulse rate will stay the same

23.

What was a resting pulse rate on the diagram?

a)

70 beats per minute

b)

80 beats per minute

c)

90 beats per minute

d)

95 beats per minute

24.

What was the highest pulse rate during exercise?

a)

70 beats per minute

b)

80 beats per minute

c)

90 beats per minute

d)

95 beats per minute

25.

Why does a pulse rate change during the exercise?

a)

Heart causes pulse

b)

Muscles need less oxygen

c)

Muscles need more oxygen to do more respiration