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questions & answers.
Q1.
How do butterflies take in food?
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They have a long tube-like structure called proboscis using which they suck the nectar of flowers.
Q2.
How does food reach each and every cell of the body?
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answer not shownQ3.
What is the function of taste buds?
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There are large number of small bud-like structures present on our tongue. These are called taste buds. They detect different tastes such as sweet, salt, bitter and sour etc.
Q4.
How many types of teeth do human beings have? Write their functions.
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answer not shownQ5.
What is peristalsis?
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The food is pushed down in a wave like motion caused by the contraction and relaxation of the oesophagal muscles. This wavy movement is called Peristalsis.
