Question

difine digestive system in human?Difine respiration

Answer 1

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. In this system, the process of digestion has many stages, the first of which starts in the mouth.
Respiration -a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

Answer 2

Answer:

Explanation:

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. In this system, the process of digestion has many stages, the first of which starts in the mouth.

Respiration -a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.