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The bicuspid valve is also called as:

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Important Questions on Body Fluids and Circulation

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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Purkinje fibres are located in the following structure/s
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Blood pressure in the mammalian aorta is maximum during
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System

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

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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Match the items given in Column I with those in Column II and select the correct option given below:
 
  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.
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Blood pressure in the pulmonary artery is:
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Read the following (A-D) statements :-

A. The tricuspid and bicuspid valves are opened during joint diastole.

B. Atrial systole decrease the flow of blood into the ventricles by about 30 percent.

C. Ventricular systole increases the ventricular pressure.

D. Ventricular pressure falls causing the closure of semilunar valves.

How many of the above statements are correct:-
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Pacemaker is 
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
The blood flow through the human heart is visualised by
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
How many values are correctly given from following?

i. Normal heartbeat rate = 72 beats/min.
ii. Period of cardiac cycle = 0.8 sec.
iii. Stroke volume = 70 ml
iv. Normal cardiac output = 5000 ml
v. Normal blood pressure = 120/80 mm Hg
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
William Harvey is known for the discovery of
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
The main difference in the structure of arteries and veins is in:
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Which of the following statements is true?
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Purkinje's fibres are found in
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Which of the following organ has papillary muscles?
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Foramen ovale
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
If due to some injury, the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Papillary muscles are found in which of the following?
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System

Given below are three statements (I–III) regarding the human blood circulatory system.


(I)    In the treatment of angina pectoris, nitrous oxide and nitroglycerine are used.
(II)   Veins have thinner walls and broader lumen than arteries.
(III)  Artificial pacemakers are used in arrhythmia.

How many of the above are correct statements?

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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
Which blood vessels carry blood from different parts of your body to the heart?
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Biology>Human Physiology>Body Fluids and Circulation>Human Circulatory System
What is vasomotor tone?