Fill in the blank 1 All living organisms _____________ to perform life process. 2 External respiration is also know as ______________. 3 trachea divide into two ____________.
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The different life processes in human beings include-nutrition, respiration, digestion, excretion, reproduction, metabolism and transportation. These processes are very important to carry out regular life activities.
At its bottom end, the trachea divides into left and right air tubes called bronchi (BRAHN-kye), which connect to the lungs. Within the lungs, the bronchi branch into smaller bronchi and even smaller tubes called bronchioles (BRAHN-kee-olz).
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