Answer: peristalsis
Explanation:it's the contraction and relaxation of muscles as the bolus moves down the oesophagus
Answer:
Option (4).
Explanation:
Corpus callosum is also known as callosal commissure. This area is present beneath the cerebral cortex of the brain. Corpus callosum is present in placental mammals only.
The corpus callosum connects the left and right side of body.The severed or improper functioning of corpus callosum may disturb the coordination of action and speech of the right and left side of body.
Thus, the correct answer is option (4).
E. On the inside of the folded chain, away from water.
Loss of habitat from any number of causes is the main reason for species endangerment currently.