PLZZ HELP WILL GIVE! . How does mechanical digestion help humans digest food?

Explanation: Mechanical digestion is the breaking down of food materials or substance into smaller particles.

Its aids digestive by breaking down the food substance into smaller fragments that can be easily asbsorb and digested. This is done by chewing with mouth, churning with stomach and segmentation.

The mouth breaks down the food by chewing and grinding with teeth into fine particles after which it is rolled down through the throat into the stomach.

The stomach mixes the food substance with enzymes. Digestion takes place in the stomach and segmentation enables the physical absorption of the food substance.

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: