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प्रश्न
Fill in the blanks with suitable words given below:
The two lower chambers of the heart are called ______.
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उत्तर
The two lower chambers of the heart are called ventricles.
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संबंधित प्रश्न
Explain Diapedesis.
Given below is a diagram of a human blood smear. Study the diagram and answer the questions that follow:
- Name the components numbered ‘1’ to ‘4’.
- Mention two structural differences between the parts ‘1’ and ‘2’.
- Name the soluble protein found in part ‘4’ which forms insoluble threads during clotting of blood.
- What is the average lifespan of the component numbered ‘1’ ?
- Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain.
State the functions of blood in our body.
Name the following:
The smallest common blood vessels formed by the union of capillaries.
The valve which prevents back flow of blood in the veins and lymph vessels ______.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
Define the Circulatory system.
What are seen as greenish blue lines in our hands and legs?
Label the diagram given below to show the four main parts of the urinary system and answer the following questions.
- Which organ removes extra salts and water from the blood?
- Where is the urine stored?
- What is the tube through which urine is excreted out of the body?
- What are the tubes that transfer urine from the kidneys to the urinary bladder called?
In a closed circulatory system, blood is completely enclosed within:
