I think it is all of the above but you might want a second opinion.
Answer: sympathetic nervous system prepares body for intense physical activity and known as flight or fight response whereas parasympathetic nervous system is almost the opposite, it relaxes the body and slows many human functions
Explanation:
There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body's exterior.
Answer: corals, crabs, oysters and urchins
Explanation:
Answer:
mice and humans share virtually the same set of genes
Explanation:
Almost every gene found in one species so far has been found in a closely related form in the other. Of the approximately 4,000 genes that have been studied, less than 10 are found in one species but not in the other.