Heart Info

Question 1

Blood

Answer 1

• Carries oxygen and nutrients to cells
• Carries carbon dioxide and wastes away from cells

Question 1

Purpose of Heart

Answer 1

• Pumps blood through large vessles “arteries”
• Branch into smaller vessles “arterioles” and “capillaries”
• Blood returns through venules and veins

Question 1

Types of Tissues

Answer 1

• Connective (blood and heart valves)
• Epithelial (lines blood vessles and heart)
• Muscle (heart muscle)
• Nerve (signals heart to contract)

Question 2

Artery

Answer 2

• Thick elastic walls with small inner circumference
• Transports blood away from heart

Question 3

Components of Heart

Answer 3

• Right Atrium, Left Atrium, Right Vernicle, Left Ventricle
• Atrium is top, Ventricle is bottom
• Right side has oxygen poor blood, left side has oxygen rich blood

Question 4

Capillary

Answer 4

• Thin walls (substances pass through) with smallest inner circumference
• Materials exchanged between blood and body

Question 5

Vein

Answer 5

• Thin, less elastic walls w/ valves and large inner circumference
• Transports blood towards heart