Blood System
Blood System: Overview
This Topic covers sub-topics such as Heart, Cardiac Cycle, Veins, Coronary Artery Disease, Artery, Capillaries, Blood Vessels, Aorta, Mitral Valve, Heart Valves, Double Circulation, Heart Sound, Pulmonary Artery, Human Circulatory System and, Vena Cava
Important Questions on Blood System

SA node is also called the pacemaker of heart.

Which among the following is wrong about adrenaline?


The frog's heart when taken out of the body continues to beat for some time.
Select the best option from the following statements.
The frog is a poikilotherm.
The frog does not have any coronary circulation.
The heart is 'myogenic' in nature.
The heart is auto excitable.
*Note: Changes made in the question. Spelling errors in the word myogenic and poikilotherm have been changed. Some minor grammatical changes.

Arteries are best defined as the vessels which

The fastest distribution of some injectable material/medicine and with no risk of any kind can be achieved by injecting it into the

Blood circulation that starts in capillaries and ends in capillaries is called



What is found in the surrounding wall of the heart?

Name the following.
The correct biological term for contraction phase of the heart.

The vessels which carry blood towards the heart is arteries or veins?

Write the correct biological term for the main vein.



Name the following.
(First letter of the answer has been given as the clue.)
The smallest blood vessels. C


Guess, who am I?
The smallest blood vessel.

The smallest blood vessels are called the aorta.
