Lecture 8: part 1

What is the circulatory System?

• The body's energy producing system

• The body's system of nerves

• The body's support and movement system

• The body's transporting system

Which of the following blood vessels has a valve along its length?

• capillary

• artery

• vein

Which type of vessels have the smallest diameter?

• arteries

• venules

• capillaries

• arterioles

What is the function of veins?

• Transport deoxygenated blood

• Transport oxygenated blood

• Site for exchange of materials

What are present in veins but absent in arteries?

• smooth elastic tissues

• muscular tissues

• valves

What is the job of the arteries?

• To take blood throughout the body

• To take blood away from the heart

• To take blood throughout the heart

• To take blood to the heart