The Blood Vessels

Question 1

• Large blood vessels that carry blood away from the heart
• Arterial blood is bright red in color because it is oxygen rich
• Arterioles are smaller, thinner branches of arteries that deliver blood to the capillaries

Answer 1

Arteries

Question 2

*Smallest blood vessels in the body * Form a network of vascular beds that deliver oxygen and nutrients to the cells
* The exchange of oxygen, nutrients and waste materials occurs

Answer 2

Capillaries

Question 3

• Low pressure system to return oxygen poor blood to the heart
• Walls of veins are thinner and less elastic
• Have valves to ensure one-way flow

Answer 3

Veins

Question 4

The _______ is the rhythmic pressure against the walls of the artery caused by the contraction of the heart

Answer 4

pulse

Question 5

______ is the measurement of the amount of systolic and diastolic pressure exerted against the walls of the arteries

Answer 5

blood pressure

Question 6

Occurs when the ventricles contract
Means contraction of the heart

Answer 6

Systolic Pressure

Question 7

Occurs when the ventricles are relaxed
Means relaxation of the heart

Answer 7

Diastolic Pressure