EXERCISES, LESSON 1
INSTRUCTIONS: Follow the special instructions for Exercise 1. In Exercises 2 through
10, circle the letter of the response that BEST completes the statement or BEST
answers the question. After you have completed the exercises, turn to "Solutions to
Exercises" at the end of the lesson exercises and check your answers. For each
exercise answered incorrectly, reread the material referenced with the solution.
Special Instructions. Trace the flow of blood through the body's blood circulatory
system beginning when the blood leaves the left ventricle by numbering the
following statements in the sequence in which they occur.
Blood flows from the vena cava into the right atrium.
Blood enters capillaries of the systemic system.
Blood pumped into pulmonary artery.
1 Blood pumped into the aorta.
Blood gives up carbon dioxide and picks up oxygen.
Blood enters veins of the systemic system.
Blood flows through the smaller arteries of the systemic system.
Blood enters veins of the pulmonary system.
Blood flows into right ventricle.
Blood enters capillaries of the pulmonary system.
13 Blood enters left ventricle.
Blood gives up oxygen and nutrients; picks up waste products.
Blood enters left atrium.
The actual muscle layer of the heart is the: