S30 Unit A: Biology Circulatory System – Assignment 1. the following parts of the heart. Place your answers in the blanks provided. (0.5 marks each) _____ - aorta _____ - pulmonary vein _____ - valve _____ - right ventricle _____ - septum _____ - vena cava 2. Match each function with the appropriate structures listed. Place your answer in the blanks provided. (0.5 marks each) ____ - collects deoxygenated blood from the a. any valve body b. aorta ____ - maintains the proper direction of the c. pulmonary artery blood through the heart d. pulmonary vein ____ - receives oxygenated blood from the e. vena cava lungs f. septum ____ - sends deoxygenated blood to the lungs ____ - sends oxygenated blood to the body ____ - separates left and right sides of the heart 3. Decide whether each statement is true (T) or (F). Place your answer in the blank space given. (0.5 marks each) All arteries carry oxygenated blood and all veins carry deoxygenated blood. _____ The heart rate increases as a person who was initially at rest starts exercising. _____ The flow of blood in the body is due to a back-and-forth motion caused by tidal forces. _____ The heart sound that a doctor hears through a stethoscope comes from the heart “lub-dub” valves.
S30 Unit A: Biology – Circulatory System Assignment 1. the following parts of the heart. Place your answers in the blanks provided. (0.5 marks each) _____ - aorta _____ - pulmonary vein _____ - valve _____ - right ventricle _____ - septum _____ - vena cava 2. Match each function with the appropriate structures listed. Place your answer in the blanks provided. (0.5 marks each) ____ - collects deoxygenated blood from the body ____ - maintains the proper direction of the blood through the heart ____ - receives oxygenated blood from the lungs ____ - sends deoxygenated blood to the lungs ____ - sends oxygenated blood to the body ____ - separates left and right sides of the heart a. any valve b. aorta c. pulmonary artery d. pulmonary vein e. vena cava f. septum 3. Decide whether each statement is true (T) or (F). Place your answer in the blank space given. (0.5 marks each) All arteries carry oxygenated blood and all veins carry deoxygenated blood. _____ The heart rate increases as a person who was initially at rest starts exercising. _____ The flow of blood in the body is due to a back-and-forth motion caused by tidal forces. _____ The “lub-dub” heart sound that a doctor hears through a stethoscope comes from the heart valves.
S30_Unit_A_Circulation_Assignment.docx