102.7//THE CIRCULATORY SYSTEM LESSON CHALLENGE Multiple choice. Indicate one correct answer for each question. 1. The body system responsible for circulation of the blood, including the heart, arteries, veins and capillaries, is called the: a. nervous system c. cardiovascular system b. lymph-vascular system d. integumentary system 2. What is the sticky, salty fluid that circulates through the body, bringing nourishment and oxygen to all parts of the body? a. blood c. platelets b. lymph d. thrombocytes 3. What is another name for red blood cells? a. plasma c. hemoglobin b. leukocytes d. erythrocytes 4. Cells that fight bacteria and other foreign substances are called leukocytes or: a. plasma c. red blood cells b. hemoglobin d. white blood cells 5. Thick-walled vessels that carry pure blood from the heart through the body are: a. veins c. capillaries b. arteries d. lymph vessels 6. The process of blood traveling from the heart, throughout the body and back to the heart is called: a. vein circulation c. arterial circulation b. local circulation d. general circulation 7. The occipital artery supplies blood to the: a. back of the head c. lower portion of the face b. center of the forehead d. sides and top of the head 8. Which artery supplies blood to the lower portion of the face, including the mouth and nose? a. occipital c. posterior auricular b. external maxillary d. superficial temporal 9. Which artery supplies blood to the crown and sides of the head? a. angular c. submental b. parietal d. inferior labial 10. A subsystem of the circulatory system responsible for distributing white blood cells to help develop immunity is known as the: a. nervous system c. cardiovascular system b. lymph-vascular system d. integumentary system