The Heart

hypertension is another name for what condition?

Blood entering the left atrium

A stroke occurs when an area of the heart muscles dies.

The pressure exerted on arteries when the hart relaxes

small bundle of cells at the entrance of the right atrium

Name the artery labeled by A

Name the vessel that carries deoxygenated blood indicated by letter B

An artery has much more thicker muscle layer than

The heart chamber that receives blood from the vena cava is the

Systolic pressure tells how much pressure is exerted on arteries when heart contracts.

Name the heart chamber labeled by H

Blood from the left ventricle flows into the aorta.

Contraction of the heart is due to cluster of cardiac muscles cells called sinotrial node. .

which type of blood vessel is both strong and elastic?

Name the heart chamber labeled by N

Systemic circulation carries blood from the heart to the rest of the body

Pulmonary circulation flows to and from the

An artery usually carries

The human cardiovascular system helps maintain homeostasis by

The superior vena cava drain blood from the head and neck.

The upper chambers of the heart are called ventricles.

Normal blood pressure is ___________millimeters of mercury

Narrowing of the inner walls of the blood vessels is called

A heart attack can result from the blockage of blood vessel because