Aldosterone is a mineralocorticoid which controls mineral and water balance in the body. At the synapse different types of neurotransmitters are removed by different mechanisms. For example acetylcholine is destroyed by an enzyme whereas serotonin is taken back into the nerve ending from which it was released. Alzheimer s disease 39. The digestive tracts of all mammals have similar digestive enzymes.
All mammals are omnivores.
The digestive tracts have similar mechanisms for absorbing nutrients. The ratio of the length of the digestive tract to the length of the animal is larger than the same ratio for a carnivore. The cow has 4 stomachs . The cow has bacteria in the rumen that digest the cellulose the cow eats, because no animal, not even the cow, is capable of digesting plant material.