AIM: What are the structures and functions of the circulatory system?

• DO NOW: How is the structure of a nephron related to its function? What are the only two options for a person with kidney failure?

• Circulation vocabulary: vein, capillary, artery, atrium, ventricle, valve, aorta, pulmonary circulation, systemic circulation, RBC, WBC, platelet

• Have out HW pg 993 questions 1-12 and 21-24

• Test tomorrow: Digestion and Excretion

Figure 37-5 The Three Types of Blood Vessels

Capillary

Connective tissue

Connective tissue

Smooth muscle

Smooth muscle

Endothelium

Endothelium

Valve

Venule

Endothelium

Arteriole

VeinArtery

Blood Vessels

Figure 37-2 The Circulatory System

Capillaries of head and arms

Capillaries of abdominal organs and legs

Inferior vena cava

Pulmonary veinCapillaries of

right lung

Superior vena cava

Aorta Pulmonary artery

Capillaries of left lung

Pulmonary and Systemic Circulation

Blood

• Red blood cells– Oxygen carriers– Hemoglobin

• White blood cells– Immune responses

• Platelets – Blood clotting