Question

Purpose and Function of the Circulatory System (Fill in the blanks using the terms below.) 

valves exchange arteries veins contracts capillaries oxygen wastes nutrients 

The function of the circulatory system is to transport to cells and carry away from cells to the organs responsible for eliminating them from the body. The heart is a muscular pump. When the heart_ , it produces pressure on the blood in the circulatory system. This pressure pushes blood through the body. The body travels away from the heart in vessels called It returns to the heart through vessels called To stop blood from flowing backwards, flexible flaps of tissue called are found throughout the circulatory system in the heart and veins. Arteries and veins are connected by tiny, thin walled vessels called These very small vessels are in close contact with the organs and tissues of the body. The of nutrients, wastes, oxygen and carbon dioxide occur between tissues and the blood through the walls of these small vessels

Answer 1

Fill in the blanks are as follows

1 oxygen

2 Nutrients

3 wastes

4 contracts

5 arteries

6 veins

7 valves

8 capillaries

9 exchange