Circulatory System

Question 1

Five Functions of the Circulatory System

Answer 1

1. Carries nutrients to to cells and waste away from cells. 2. Carries chemical messengers (hormones) from cells to target tissues.
2. Distributes heat throughout the body.
3. Along w/ kidneys, maintains fluid levels in the the body.
4. Defense against invading organisms (white blood cells)

Question 2

Path of blood through the Circulatory System

Answer 2

Heart –> Artery –> Arterioles –> Capillaries (O2 and CO2 exchange) –> Venule –> Vein –> Heart