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Circulation class 6

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Blood flows to all parts of our body through tubes called ......

a)

White blood cells

b)

Platelets

c)

Blood vessels

d)

Red blood cells

2.

We bleed because of some of our .........are broken.

a)

Red blood cells

b)

White blood cells

c)

Platelets

d)

Blood vessel

3.

A things that beating on chest caused a muscular organ called.....

a)

Lungs

b)

Stomach

c)

Heart

d)

Bone

4.

Our heart, blood vessels and blood make up our .....

a)

Respiratory system

b)

Circulatory system

c)

Digestion system

d)

Muaculosceletal system

5.

Why the circulatory system worked closely with respiratory system?

a)

Because to ensure that all the cells in our body recieve carbondioxide

b)

Because to ensure all the cells in our body recieve oxygen

c)

Because to ensure all air sac recieve oxygen

d)

Because to ensure all windpipe recieve oxygen

6.

In human, the sized of the heart is about .....

a)

An apple

b)

A clenched of fist

c)

A 4 of fingers

d)

An orange fruit

7.

When we are resting, the heart contract and relaxed .... .....time a minutes.

a)

50 - 60

b)

60 - 80

c)

90 - 100

d)

100 - 120

8.

The rate of the heart will ............when we excercise

a)

Decreases

b)

Increases

9.

The left side of the hearth recieve the blood from the ....... and pumps it to......

a)

Body ... lungs

b)

Lungs .....body

c)

Air sac ......body

d)

Body .... lungs

10.

There are major types of blood vessels, except

a)

Artery

b)

Veins

c)

Capilaries

d)

Platelet

11.

The blood vessels that transport blood away from the heart are called

a)

Vein

b)

Capilaries

c)

Heart

d)

Arteries

12.

Large elastic blood vessels with thin wall called

a)

Arteries

b)

Vein

c)

Capilair

13.

The arteries are carry blood from the lungs to the heart to pick up ......

a)

Carbondioxide

b)

Oxygen

c)

Deoxygenated

d)

Oxgenated

14.

The very small blod vessels called

a)

Air sac

b)

Arteries

c)

Veins

d)

Capilair

15.

O2, CO2, water, digested food and waste materials are exchanged through.....

a)

Capillair

b)

Vein

c)

Arteres

d)

Heart

16.

Blood make up about.........% of our body weight.

a)

7

b)

8

c)

9

d)

10

17.

The blood function is to supply .......... to cells in ourbody. And also removes wastes such as .............

a)

O2 ...... NO

b)

O2 .......CO

c)

O2 .......CO2

d)

O2 ........nutrient

18.

The red blood cells contain a substance called

a)

White blood cells

b)

Haemoglobin

c)

Platelets

d)

Nutrients

19.

The blood chemical protein that appears dark red when.....

a)

Lacking of O2

b)

Rich in O2

c)

Contain plasma

d)

Lacking of CO2

20.

Point A showed the blood vessel

a)

From body

b)

To body

c)

To lungs

d)

From lungs