Hello!!
In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva.
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Answer:
Two first the sponge can claim are
1. reproduce sexually
2. combine sperm and egg
<span>Wind energy does not pollute</span>
Answer:Carbon is the basic building block to most cells in the body. It helps with cellular respiration by which your body releases energy stored in glucose and the glucose compound is composed of carbon, hydrogen, and oxygen.
Answer is somatic; autonomic
The peripheral nervous system is made up of two systems; the somatic nervous system and the autonomic nervous system.The somatic nervous system is under voluntary control and transmits signal from brain to muscles, whereas he autonomic nervous system controls involuntary actions to regulate physiological functions such as working of cardiac muscles, bladder.
