Question

The fig. shows the reflex are involved in a simple reflex action.
spinal nerve
spinal cord
Camlin Klick oses
Fig. 6.1
(b) identify and name the three types of neurone shown.
(c) A reflex is an involuntary action,
Explain what is meant by the term involuntary action.
(d) explain the term synapse.​

Answer 1

This voltage is called the resting membrane potential and is caused by differences in the concentrations of ions inside and outside the cell. ... A nerve impulse causes Na+ to enter the cell, resulting in (b) depolarization. At the peak action potential, K+ channels open and the cell becomes (c) hyperpolarized.