Try to keep your skin mosturized as much as you can, but in general you can't really prevent it because its just dead skin. it happens to everyone.
bottleneck effect --- > A disease wipes out almost 90% of a population of birds, but the species adapts, and after 5 years its numbers increase dramatically.
gene flow ---> A population of rats travels on a cargo ship and mate with rats in a new region.
founder effect ---> Biologists introduce a small population of lizards on an island as part of a conservation effort.
mutation ---> A change in a DNA sequence causes a lizard to develop a darker skin color, which helps it hide from predators.
It enters through the stoma.
Enterogastric is not a phase of gastric secretion, whereas cephalic, gastric, and intestinal are.