9. A person died instantly after an accident. He did not have any injury to
the brain stomach heart neck and kidney. Which of the following could
be the possible reason for his death?
a RBC number dropped
b. Diaphragm got ruptured
10 When we breathe in, we inhale many gases, including oxygen What
happens to the gases that the body can't use?
a. They are exhaled
b. They circulate through the body and are dispose of later
11 Which of these is a function of the circulatory system?
a removing wastes from tissues
b delivering carbon dioxide to calls for cellular respiration
c. transferring impulses from one cell to another
d all of the above
12. Which are the components of the circulatory system?
a heart and longs
b. blood vessels, heart, and lungs
c blood, blood vessels, and heart
d heart and blood
13 Which is the correct direction of blood flow?
a night atrum nght ventricle pulmonary artery
b night atrium left atrium pulmonary artery
c. left ventricle pulmonary artery aorta
d left ventricle left atrium aorta
14 Which type of blood vessel cames blood away from the heart?
a, Veins
b. Arteres
c. Capilaries
d lymph nodes
15. Which blood cells are most numerous in the body?
a. Red
b. White
c Platelets
d. Plasma
16. Which of the following is a function of blood?
a fight infection
b. regulates body temperature
c. transport nutrients
d all of the above​