Circulatory system

FUNCTION:

•Transport gases, nutrients, water and waste•Regulate body temperature•Maintains blood pH•Protection from disease

Features

•Three main features:

• Fluid

• Transport system

•A pump

Fluid

• Blood:

• Contains red blood cells to transport oxygen

• Contains white blood cells to fight infection and disease

• Contains platelets for blood clotting

• Contains plasma for transporting dissolved gases, nutritients and waste

Transport System

•Blood Vessels:

• Arteries – carry blood Away from heart

• Veins – carry blood back to the heart

• Capillaries – where gases, nutrients and waste is exchanged

Pump

•Heart:

• Pumps blood through the vessels