Answer:
a) Absorption is important since body needs energy from nutrients, therefore this process must be done inoder for energy to be produced by the process of respiration.
b) Digestion must take place because those nutrients taken in have to be in smaller molecules for the absorption to be succeful.
a) Assimilate is the utilization of nutrients into the body cell. it's the process where by macromolecules are synthesized from the absorbed simple molecules.
b) After assimilation process growth and repairment occurs within the cell. It's purpose is to build up the cell for to function well.
Absorbed light energy is used to convert carbon dioxide (from the air) and water (from the soil) into a sugar called glucose.
Answer:
D. atomic mass unit
Explanation:
The atomic mass unit is used for measuring atomic mass.
Answer: Petrolatum, lanolin, mineral oil and dimethicone are common emollients. Humectants, including glycerin, lecithin, and propylene glycol, draw water into the outer layer of skin.
Answer:
They help to stop harmful germs from entering the body
Explanation:
- The skin can prevent bacteria and microorganisms from entering the body (unless it is damaged)
- Mucous membranes line the mouth and nose and are coated with secretions that fight microorganisms and harmful bacteria
- Tears help to clear debris from the eye to prevent infection
