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प्रश्न
Name the following:
The fluid found between the membranes of the heart.
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उत्तर
Pericardial fluid
संबंधित प्रश्न
The diagram below represents the human heart in one phase of its function. Study the diagram carefully and answer the questions that follow:
(i) Name the phase.
(ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(iii) Name the parts labelled 1 to 4.
(iv) What type of blood flows through ‘2’?
(v) State the function of the part numbered ‘5’.
(vi) Name the membrane that covers the heart.
Given below is a diagram of a human blood smear.
Study the diagram and answer the questions that follow:
a) Name the components numbered ‘1’ to ‘4’
b) Mention two structural differences between the parts ‘1’ and ‘2’.
c) Name the soluble protein found in part ‘4’ which forms insoluble threads during clotting of blood.
d) What is the average lifespan of the component numbered ‘1’ ?
e) Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain
Which organ acts as a pump in the circulatory system?
Is it true that your heart beats more than one lac times per day?
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
Coronary artery : Heart :: Hepatic artery : ______
Cardiac muscles are ______.
Put a tick mark (✓) against the correct alternative in the following statement.
Pulmonary vein carries
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?
Differentiate between:
Open circulatory system and Closed circulatory system.
