1. Which of the following is not true about the capillaries?
a. Are called the exchange vessels
b. Capillary membranes have holes or pores
c. Connect the arteries and the veins
d. Have valves
2. Which of the following is descriptive of theaorta?
a. It is the largest and strongest of the arteries.
b. It carries unoxygenated blood and so is colored blue.
c. It is lined with large valves.
d. Blood pressure in the aorta is lower than blood pressure within the veins.