460 UNIT 23 1 Anatomy of Blood Ve PRE-LAB Activity 3: Identifying Veins That Dra

Question

460 UNIT 23 1 Anatomy of Blood Ve PRE-LAB Activity 3: Identifying Veins That Drain into the Venae Cavae 1. Match each of the following veins with its correct description(s). More than one correct answer is possible for each numbered item. Include all correct answers. a. external iliac vein b. brachial vein c. popliteal vei d. great saphenous vein e. subclavian vein f radial vein 1. empties directly into the inferior vena cava 2. drains the anterior and posterior tibial veins 3. drains the superficial palmar arch 4. drains the radial and ulnar veins 5. empties directly into the brachiocephalic vein 6. fuses with the internal iliac vein to form the common iliac vein 7. is the longest vein in the body 8. drains the ankle and foot 9. empty directly into the internal jugular vein -g. anterior tibial vein h. dural sinuses i. renal vein PRE-LAB Activity 4: Examining the Histology of Arteries and Veins 1. Which blood vessel type a. always transports blood away from the heart? b. always transports blood to the heart? c. is the site of gas, nutrient, and waste exchange? Which blood vessel type would you expect to have the thickest smooth muscle layer? Why? 2. Major Systemic Arteries The major arteries of the body are shown in Figure 23-1. Arteries distribute nutrient-rich oxygenated blood to all body cells. The aorta, the largest artery in the body, arises from the left ventricle and consists of three parts: the ascend- ing aorta, aortic arch, and descending aorta. The ascending aorta gives rise to the left and right coronary arteries, which rise to three arteries: the brachiocep common carotid artery, and the left s Figure 23-1). The brachiocephalic ar the right common carotid artery an artery. The descending aorta is fur thoracic aorta and the abdominal aorta ends at the body of the L, verte the right and left common iliac arter

Explanation / Answer

Ans. Activity 3:

a - 6

b-4

c-2,6

d-7

e-9

f-3

g-8

h-5

i-1

Ans. Activity 4:

1.a). Aorta and Pulmonary artery transports blood away from heart. Aorta transports oxygenated blood from left ventricles to all part of bodies. Pulmonary artery transports deoxygenated blood from right ventricle to lungs.

b). Inferior and Superior venacava and Pulmonary vein transports blood to the heart. Inferior and Superior venacava transports deoxygenated blood to the right atrium of heart. Pulmonary vein transports oxygenated blood from lungs to the left atrium.

C). Capillaries are the site for gaseous, nutrients and waste exchange.

2. Arteries have the thickest smooth nuscle layer because it transports blood under high pressure to all parts of the body.

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