Complex nutrients are digested and then absorbed into the bloodstream as monomers.
Nutrients from food can be used in the body only when are broken down to their basic units: carbohydrates in monosaccharaides, lipids in free fatty acids, proteins in amino acids and nucleic acids in nucleotides.
Those molecules together with water and minerals from the diet, are absorbed in the small intestine. The absorbed molecules are then transported into the bloodstream and carried to different parts of the body for usage, storage or chemical transformation. Some of the macromolecules are broken down in mouth (e.g. starch), or in stomach by the enzymes.
The correct answer is A. They ensure that the ecosystem is not stripped entirely of its vegetation
Plant Cells need mitochondrion to break down the glucose or cell respiration.
Hoped i helped:D
Chloroplasts, the cell<span> wall, and vacuoles
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Answer:
sympathetic nervous system
Explanation:
The sympathetic nervous system functions like a gas pedal in a car. It triggers the fight-or-flight response, providing the body with a burst of energy so that it can respond to perceived dangers.
