Life Processes
1. Which fluid in the human body wets the internal organs?
2. Where does the blood absorb oxygen in the human body?
3. Name the two parts of the plant through which gaseous waste products are released into the air.
4. Why do the walls of the trachea not collapse when there is less air in it?
5. Normally a vein opens into a large or into the heart but does not end in capillaries. Which one or more
veins in human is/are exceptions to this rule?
6. Give reason for the lung alveoli are covered with blood capillaries.
7. Why is blood called liquid connective tissue?
8. Structure of leaf is complementary to its functions. Explain.
9. Bile juice does not contain any digestive enzymes, yet it is essential for digestion, why so? Explain.
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ok fine very nice exelent work
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1. Its cerebrospinal fluid.hope I helped use PlZ mark as the BRAINLIEST answer if help?
2. Blood absorbs oxygen in alveoli present in the lungs. These are small organelles present in the lungs of the human body. These are the tiny air sacs present in the lungs. 3.Stomata present on leaves and lenticels present in the bark of stems are the two parts through which gaseous waste products are released into the air in plant. 4. In trachea there are C shaped rings of cartilage. which helps to hold them even when the air is less in it. Hence they do not collapse.
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