Advertisements
Advertisements
प्रश्न
Which organ acts as a pump in the circulatory system?
Advertisements
उत्तर
In the circulatory system, the heart acts as a pump to push out blood.
APPEARS IN
संबंधित प्रश्न
Explain ABO blood group system in human being with a suitable chart.
Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:
Lubb: Atrioventricualr valves :: dup: …………………
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
Coronary artery : Heart :: Hepatic artery : ______
Differentiate between members of the following pairs with reference to the aspect asked
within bracket:
Erythrocytes and leucocytes (function)
What is Endothelium?
What is diastole?
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].
Explain the following:
Why is the closed circulatory system more efficient than the open system?
Put a tick mark (✓) against the correct alternative in the following statement.
The blood tastes saltish due to the dissolved.
True or false:
People with blood group ‘O’ are called universal recipients
Match the statements in Column A with those in Column B
| Column A | Column B | ||
| 1 | Heart | a | Movement of materials |
| 2 | Food and oxygen | b | Channels for transport in man |
| 3 | Carrier of oxygen | c | A living pump |
| 4 | Circulation | d | Materials needed by every living being |
| 5 | Arteries and veins | e | Red blood cells |
Name the organ from which oxygenated blood goes into the heart
All the waste products of the body are excreted through the circulatory system.
Reduction in number of ______ can cause clotting disorder, leading to excessive loss of blood from the body.
Identify the INCORRECT match
The nodal tissue located in the lower left corner of right atrium is ______.
Name the following:
The structure that holds the heart valves in position.
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
Name these:
Three components of circulatory system.
