The correct answer is A. Cephalic phase
Explanation:
In the digestive system and digestive process, there are different phases or stages. In the case of the cephalic phase, this is the first phase of the process and starts even before food enters in the organism, because fo this, the cephalic phase includes the anticipatory responses to food including salivation. This is the part or phase Pavlolv stimulated in his experiments because in this dogs salivated anticipating food and this was linked to the sound of a bell and that make dogs salivate even if there was no food.
Oxygen, liquid water, and life is on planet earth
As prey increase predatory increase and as prey decrease due to the increase of predators. The number of predators will decrease due to the lack of foods.
The correct answer for the question that is being presented above is this one: "(3) all cells in his body." A man is exposed to large amounts of ultraviolet radiation while sunbathing on the beach. This exposure causes genetic change in the DNA of a skin cell. In the future, this change can be passed on to (3) all cells in his body.
Here are the following choices:
(1) his male and female children
(2) his male children, only
(3) all cells in his body
(4) his skin cells, only