cardiovascular system

the cardiovascular is mad up of the ( select all that apply)

• the blood

• the heart

• the lungs

• the blood vessels

The heart is composed of which there layers

• The epicardium

• The myocardium

• The endocardium

• The exocardium

forms the outermost layer of the heart wall and protects the heart’s inner layers.

• The epicardium

• The myocardium

• The endocardium

• The exocardium

supply blood to the heart

• The epicardium

• The myocardium

• The endocardium

• coronary blood vessels

contracting to pump blood out of the heart and then relaxing to let the heart fill with blood again

• The epicardium

• The myocardium

• The endocardium

• coronary blood vessels

is a thin inner layer that lines the heart’s chambers

• The epicardium

• The myocardium

• The endocardium

• coronary blood vessels

relaxes to make the heart fill with blood

• The epicardium

• The myocardium

• The endocardium

• coronary blood vessels

How many chambers the heart is divided into

• 2

• 4

• 6

• 5

Brings blood towards the heart

• veins

• arteries

• aortic valve

• vena cava.

Brings blood away from the heart

• veins

• arteries

• aortic valve

• vena cava.