CARDIOVASCULAR SYSTEM

CARDIOVASCULAR SYSTEM

Functions of the CV:

• Circulates OXYGEN and removes Carbon Dioxide.

• Provides cells with NUTRIENTS.

• Removes the waste products of metabolism to the excretory organs for disposal.

• Protects the body against disease and infection.

• Clotting stops bleeding after injury

Multiple Choice

The valves are one-way structures that help separate the chambers of the heart and also prevent the backflow of blood.

• True

• False

Multiple Choice

The heart can receive the blood supply through coronary arteries

• True

• False

Reorder

Reorder the following layers of the heart wall from outiside

• Epicardium

• Endocardium

• Myocardium

1

2

3

• 1
• 2
• 3

Multiple Choice

These are what keep your heart beating at the correct rhythm

• Pacemaker cells

• Adrenaline

• Blood Pressure

• Exercise