Main function of pericardial fluid is
Important Questions on Body Fluids and Circulation
Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence beginning with the first word that is underlined:
Artery, Capillaries, Venule, Vein, Arteriole.
Which one of the following graphs best describes the Blood Pressure (BP) change when blood moves from aorta to capillaries?
| Column A | Column B |
| P. Neurogenic heart. | i. Human |
| Q. Bronchial heart. | ii. King crab |
| R. Pulmonary heart. | iii. Shark |
Select the best option from the following statements:
(i) Frog is a poikilothermic
(ii) Frog does not have any coronary circulation
(iii) Heart is "myogenic" in nature
(iv) Heart is autoexcitable
| Column – I | Column – II | ||
| a. | Tricuspid valve | i. | Between left atrium and left ventricle. |
| b. | Bicuspid valve | ii. | Between the right ventricle and pulmonary artery. |
| c. | Semilunar valve | iii. | Between the right atrium and right ventricle. |
Statement (S): The sinoatrial node is called 'Pace-maker'.
Reason (R): The sinoatrial node contains specialised cardiomyocytes and generates action potentials without any external stimuli.
The correct answer is
Reason (R): In the heart of the human embryo, oxygenated and deoxygenated blood is completely separated.
In which of the following abnormal conditions, an artificial pacemaker is implanted and connected to the heart?
Represent the union of two sets by Venn diagram for each of the following.
is a prime number between and
is an odd number between and
