Cardiovascular System

FUNCTIONS OF THE CARDIOVASCULAR SYSTEM

THIS IS COMPOSED OF THE HEART AND ALL THE BLOoD VESSELS OF THE BODY.

Structure Of The Cardiovascular System

THE HEART-The heart and the brain are perhaps the most important organs in your body.Chambers Of The Heart-There are four chambers in the heart. Each of two smaller chambers is called an atrium. The two larger,lower chambers are called ventures.

Circulation In The Heart

Blood

Blood delivers oxygen,hormones,and nutrients to the cells and carriesaway wastes that the cell produce. About 55 percent of total blood.

RED AND WHITE BLOOD CELLS

Red blood cells transport oxygen to the cells and tissue of the body. White blood cells protect the body from infections and fight infections when they occur.

Blood Vessels

There are threee main types of blood vessels: arteries, cappillaries, and veins. There are more than 60,000 miles that transport blood.

ARTERIES

This is blood vessels that cary blood away from the heart. They have thick elastic walls tha tcontain smooth muscle fiber.

CAPILLARIES

Small vessels that carry blood between arterios and vessels called venules. They form an extensive througout tissue and organs.

VEINS

BLOOD VESSELS THAT RETURNTO THE HEART.

Platelets

are cells that prevent the body's loss of blood. They gather at the site of an injury and release chemicals.

Lymph

Clear fluid that fills the spaces around body cells. It is transported by the lymphatic system to the heartand returns to the blood.

B-Cells And T Cells

B cells are lymphocytes that stimulate to multiply,T cells enlarge than multiply

CARE AND PROMBLEMS OF THE CARDIVASCULAR SYSTEM

Teen years are the best times to take care of the cardivasculr system