Respiratory and Circulatory Systems

1. Respiratory and Circulatory Systems

2. Respiratory System Takes in oxygen from the air that you breathe. Lungs are the main structures in this system.

3. Respiratory System Air enters your body through nose or mouth, moves down your throat & passes through the trachea or windpipe, then to your lungs.

4. Respiratory System Oxygen is taken into your blood and carbon dioxide leaves your blood. Your diaphragm lies below the lungs. The diaphragm & muscles around it tighten and relax to make you breathe in and out.

5. Respiratory System

6. Circulatory System Carries oxygen, food, & waste throughout the body Made up of the heart, blood vessels, and blood

7. Circulatory System Heart is the center of this system, it pumps blood through blood vessels called arteries. Heart is also called the cardiovascular muscle.

8. Circulatory System Blood moves from arteries into capillaries. In the capillaries oxygen & food move from the blood to the body’s cells Blood then moves through veins back to the heart.

9. Circulatory System The circulatory system also works with the respiratory and digestive systems.

10. Circulatory System Respiratory s ystem gives oxygen & the circulatory system takes that oxygen to other cells. Digestive system breaks down food & the circulatory system carries the nutrients to cells in the body.