Circulation class 6

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

• White blood cells

• Platelets

• Blood vessels

• Red blood cells

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

• Red blood cells

• White blood cells

• Platelets

• Blood vessel

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

• Lungs

• Stomach

• Heart

• Bone

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

• Respiratory system

• Circulatory system

• Digestion system

• Muaculosceletal system

Why the circulatory system worked closely with respiratory system?

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

• Because to ensure all the cells in our body recieve oxygen

• Because to ensure all air sac recieve oxygen

• Because to ensure all windpipe recieve oxygen

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

• An apple

• A clenched of fist

• A 4 of fingers

• An orange fruit

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

• 50 - 60

• 60 - 80

• 90 - 100

• 100 - 120

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

• Decreases

• Increases

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

• Body ... lungs

• Lungs .....body

• Air sac ......body

• Body .... lungs

There are major types of blood vessels, except

• Artery

• Veins

• Capilaries

• Platelet