1. Circulatory System PART II

2. Atrioventricular Valve
Aorta
Left Pulmonary Artery
Superior Vena Cava
Right Pulmonary artery
Right Pulmonary Veins
Left Pulmonary Veins
Left Atrium
Right Atrium
Bicuspid Valve
Atrioventricular Valve
Semilunar Valve
Right Ventricle
Left Ventricle
Inferior Vena Cava
Artery

3. HEART VALVES Bicupsid atrioventricular valve
Tricupsid atrioventricular valve
Aortic semilunar valve
Pulmonary semilunar valve

4. Pulmonary vs. Systemic circuit

5. Blood Vessels

6. Blood Vessels Blood Vessels Veins Arteries Capillaries
Very thin and only one cell layer thick
Connects the arteries and veins.
Allows gas exchange in lungs and tissues
Thick muscle wall to help push the blood away from the heart
Carries blood away from the heart
Thinner muscle wall
Contains valves which help push blood against gravity
Carries blood towards the heart.

7. Transporting Blood Against Gravity

8. Gas Exchange (Capillaries)
The capillary will deliver oxygen to the tissues due to the low concentrations in the cell.
The capillary will deliver carbon dioxide to the lungs/alveoli due to the low concentrations of CO2.

9. Blood Components An individual has approximately 5L of blood.
55% of the blood is liquid
45% is composed of blood cells

10. BLOOD COMPONENTS Plasma: Fluid medium that helps transport materials
Consists of a number of proteins that play important roles to protect the body.

11. BLOOD COMPONENTS 2) Erythtocytes (Red Blood Cells):
Hemoglobin helps to carry the O2.
Transport O2 to other tissues in the body.

12. BLOOD COMPONENTS 3) Leukocytes (White Blood Cells)
Protects body against microbes
Less than RBC
Part of your immune system response

13. BLOOD COMPONENTS 4) Platelets: Produced in the bone marrow
Helps with blood clotting
Become active and rupture when you cut yourself
Reacts with proteins in plasma to create a mesh
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