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प्रश्न
Ventricles have ______ walls when compared with those of auricles.
उत्तर
Ventricles have thick muscular walls when compared with those of auricles.
संबंधित प्रश्न
the Biological/technical term for The vein which drains the blood from the intestine to the liver.
The vein that carries oxygenated blood.
Name the following:
Any one vein which starts from an organ and ends in another organ besides the heart
What does the term “double circulation” mean?
Differentiate between members of the following pairs with reference to the aspect asked
within bracket:
Erythrocytes and leucocytes (function)
Given diagram shows a simple diagram of the circulation of blood in a mamma showing the
main blood vessels, the heart, lungs and body tissues. The blood vessel, labelled 6, contains
deoxygenated blood and the valve leading to it has three semi-lunar pockets.
(a) Name the blood vessels and organs marked by numbers 1 to 8.
(b) What is meant by the term ‘double circulation’ of blood in mammals?
(c) what is diastole?
[There is an “error” in the diagram. According to the usual practice the pulmonary (lung)
circulation is shown upward and the systemic downward, but here it is reversed].
Fill in the blanks with suitable words given below:
The ______ artery takes the blood from the ventricles to the lungs.
Why is a person having blood group AB called universal recipient and a person with blood group O called a universal donor?
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
