Question

d. Write the exact location and function of the following:
1. SAN 2. Pancreas 3. Organ of corti 4. Eustachian tube 5. Prostate​

Answer 1

Answer:

type the above text yours sincerely h

Explanation:

Q hai kisi se phone number is not coming to the meaning

Answer 2

Explanation:

The Eustachian tube, also known as the auditory tube or pharyngotympanic tube,[1] is a tube that links the nasopharynx to the middle ear. It is a part of the middle ear. In adult humans the Eustachian tube is approximately 35 mm (1.4 in) long and 3 mm (0.12 in) in diameter.[2] It is named after the sixteenth-century Italian anatomist Bartolomeo Eustachi.[3]

Eustachian tube

Gray907.png

External and middle ear. Eustachian tube labelled as auditory tube

Blausen 0330 EarAnatomy MiddleEar.png

Middle ear, with auditory tube at bottom right

Details

Pronunciation

/juːˈsteɪʃən/

Precursor

first pharyngeal pouch

Identifiers

Latin

Tuba auditiva, tuba auditivea,

tuba auditoria

MeSH

D005064

TA

A15.3.02.073

FMA

9705

Anatomical terminology

[edit on Wikidata]

In humans and other land animals the middle ear (like the ear canal) is normally filled with air. Unlike the open ear canal, however, the air of the middle ear is not in direct contact with the atmosphere outside the body. The Eustachian tube connects from the chamber of the middle ear to the back of the nasopharynx.

Normally, the Eustachian tube is collapsed, but it gapes open both with swallowing and with positive pressure. When taking off in an airplane, the surrounding air pressure goes from higher (on the ground) to lower (in the sky). The air in the middle ear expands as the plane gains altitude, and pushes its way into the back of the nose and mouth. On the way down, the volume of air in the middle ear shrinks, and a slight vacuum is produced. Active opening of the Eustachian tube is required to equalize the pressure between the middle ear and the surrounding atmosphere as the plane descends. A diver also experiences this change in pressure, but with greater rates of pressure change; active opening of the Eustachian tube is required more frequently as the diver goes deeper into higher pressure.