Transport System• POINTS TO REMEMBER FROM PREVIOUS CLASS

• What is the function of the circulatory system? • What is being circulated? • WHY?

• What are the major structures of the circulatory system?

• TODAY’S FOCUS – HEART AND BLOOD VESSELS

Right Atrium

Left Ventricle

Left Atrium

Right Ventricle

Pulmonary Artery

Aorta

body

lungs

Vena Cava

Pulmonary Vein

blood flow

aorta

left atrium

pulmonary artery(to left lung)

semilunar valves

pulmonary veins(from left lung)

atrioventricularvalve

left ventricle

thicker muscleof left ventricle

descending aorta(to lower body)right ventricle

inferior vena cava

atrioventricular valve

superiorvena cava

pulmonary artery(to right lung)

pulmonary veins(from right lung)

right atrium

Figure taken from Biology, Life on Earth 10th Ed. Pearson

beating heart

lung capillaries

body capillaries

atria

ventricle

Figure taken from Biology, Life on Earth 10th Ed. Pearson

arteriole

venule

artery vein

capillaryvalve

smooth muscleconnective tissue

crosssection

capillarynetwork

Figure taken from Biology, Life on Earth 10th Ed. Pearson

jugular vein

aorta

superiorvena cava

carotid artery

lungcapillaries

pulmonaryartery

heart

kidney

femoral vein

intestine

inferiorvena cava

liver

femoral artery