111. What is the life span of RBC in humans ?
112. What is found in the surrounding of wall of heart ?
A. Pericardial cavity
B. Perineural cavity
C. Pericardium
D. None of the above
Answer : Option C
113. By which cause Dubb sound arises ?
A. Closing of semilunar valve
B. Closing of bicuspid valve
C. Closing of tricuspid valve
D. Both b and c
Answer : Option A
114. Which is the pacemaker heart ?
115. Where granular WBCs are produced ?
116. Which type of WBCs are found in maximum number ?
117. Which of the following is not useful in blood clotting.
118. In which of the following close circulation is found ?
119. The wall of which part of the heart is very thich ?
120. What is right for all veins ?
A. They carry oxygenated blood
B. They carry Deoxygenated blood
C. They directly open into vena cave
D. None of the above
Answer : Option D