The protein digesting enzyme pepsin is activated by exposure to hydrochloric acid inside the stomach. Chief cells, also found within the gastric pits of the stomach, produce two digestive enzymes: pepsinogen and gastric lipase. Pepsinogen is the precursor molecule of the very potent protein-digesting enzyme pepsin.
The digestive system facilitates excretion of wastes by eliminating wastes from the digestive tract. During the digestion process, after the nutrients in the food has been absorbed by the small intestine, the waste products in the food will be moved into the large intestine where it will be processed for elimination in the form of feces. <span />
Answer: Plants use the sun for photosynthesis to create food for themselves and animals eat plants and in return other animals eat the animal that eat the planets but each time an organism the next receives less energy : plant - 100% - small animal - 80% - large animal - 60%
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Humus is composed of organic compounds and increases the water - holding capacity of toys
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Explanation:The condition of the Rh factor is called __RH positive_when present and__rh negative_ when absent.