Question

what are the sense organs, types, functions, receptors, types and effects. what is the gastric nt hormones paracrines categories of each the ach, histamine, gastrin, cck. secretion when and where are they released, what they stimulate and inhibit.

Answer 1

5 types of sense organs are present in human.

1. Skin

2. Nose

3. Tounge

4. Ear

5. Skin

Skin: skin have epidermis and endodermis layer as outer or inner layer respectively. It have hairs, sweat glands and oil glands in it.

Cutaneous receptors are present in the dermis and endodermis.

Effects: touch sensation, temperature sensation chemical sensation

Nose: It is used to respond against any kind of smell, oudor and fragrance.

For doing olfaction nose have olfactory receptors.

These olfactory receptors determines smells and give responses.

Tounge: Tounge is a part of mouth and part of digestive system.

Tounge have taste receptors or taste buds.

Salty, sweet, sour, bitter and umami tastes was recognised by taste receptors.

Taste determination of any kind of food or liquid.

Ear: ear have choclea. Ear have sensors against voice.

Ear have hair cells which are present on basillar membrane of choclea. They recognise sounds by vibrationd and then responses are transferred to brain.

Eyes: eyes are for visualisation.

It have rod cells in the tissues and photoreceptors are present in it. These photoreceptors get senses against ligh and gives responses.

I answered the first full question according to chegg guidelines for more answers you have to upload each question sepertely.