The heart

Generally,the heart is located in ...........side of the human's chest.

• lower

• upper

• left

• right

A normal resting heart rate for adults ranges from.........per minutes.

• between 50 and 100

• between

  60 and 100

• between 70 and 100

• between 80 and 100

The left side of the heart pumps blood that contains........

• carbondioxide

• oxygen

• hydrogen

• nitrogen

The right side of the heart pumps blood without oxygen to the.......... only.

• liver

• kidneys

• lungs

• brain

Blood vessels run from the heart to the ......,around the body and back to the.......

• lungs,heart

• lungs,lungs

• heart, heart

• heart,lungs

The heart also picks up.......... from the body and carries to organs which can get rid of them.

• food and oxygen

• food

• oxygen

• waste products

However, the average human adult has

• 5 litres

• Nearly 5 litres

• 4 Litres

• Nearly 4 Litres

The heart,blood vessels and blood form the

• digestive system

• respiratory system

• the circulatory system

• the skeletal system

How many chambers do the heart have

• 1

• 2

• 3

• 4

The movement of blood through the body is called ....

• Respiration

• Photosysthesis

• Locomotion

• Circulation