is a physiological reflex in which a massive discharge of nerve impulses occurs in the nerves serving the genitals, usually in response to tactile stimulation, causing rhythmic muscle contractions in the genital area and a sensation of intense pleasure.

Orgasm

Explanation:

The orgasm is often considered as the peak of sexual excitement. It is a powerful feeling which gives physical pleasure and sensation and which also includes a discharge of accumulated erotic tension.

The complete sentence is -

Orgasm is a physiological reflex in which a massive discharge of nerve impulses occurs in the nerves serving the genitals, usually in response to tactile stimulation, causing rhythmic muscle contraction in the genital area and a sensation of intense pleasure.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .