Question

Distinguish between parenchyma, collenchyma, and sclerenchyma based on their cell wall.

Assertion (A): Nerve impulses allow us to move our muscles and enable rapid responses to stimuli in animals. Reason (R): Many nerve fibres bound together by connective tissue make up a nerve.

In a nerve cell, the site where the electrical impulse is converted into a chemical (1) signal is known as:

What happens at the synapse between two neurons?