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STD 4 Science set 4

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1) . Which part of the body helps you breathe?

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2) . What do we call the tiny organisms that can make us sick?

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3) . What is the function of the lungs?

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4) . What is the purpose of the circulatory system?

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5) . Which part of the body helps us maintain balance?

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6) . Where does digestion begin?

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7) Which part of the eye helps us see in dim light?

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8) Which part of the body helps us taste and smell?

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9) . What is the purpose of the respiratory system?

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10) . Where is the smallest bone in the human body located?

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11) . Which organ stores urine?

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12) What is the body's largest organ?

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13) Where is the food we eat digested?

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14) . What is the purpose of the nervous system?

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15) . What is the function of the brain?

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    16)
  1. Animals that have a backbone and give birth to live young ones are called:

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17) . What is the main job of the kidneys?

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18) . What is the boy's largest organ?

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19) Which organ produces insulin to control blood sugar levels?

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20) . What is the powerhouse of the cell?

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21) . What is the main function of the heart?

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22) . What protects the brain?

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23) . What do muscles help us do?

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24) . Where is the food mixed with digestive juices?

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25) . What is the purpose of bones in our body?

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