Question

Identify and write the name of diagram of following vestigial organ.​

Answer 1

Answer:

Digestive System

Explanation:

And please Mark me as brainliest

Answer 2

Answer:

The answer to the question -"Identify and write the name of diagram of following vestigial organ.​" is-

Appendix

Explanation:

These are few of the vestigial organ and they are-

Appendix

In us, that is- humans, the appendix is a best example of a vestigial organ., It shrinks in size and disappear ultimately as this non-functioning organ eventually degenerates.

Vestigial organs

These are cells , tissue and organs in a body which are not functional than the way they use to be in there ancestral form .These were helpful in explaining adaptation.

They can also be considered to be the residual parts from the past ancestors. Few of these vestigial organs are given as under-

Sinuses

The face consists of pockets of air ,which are known as sinuses. Which are lined by a thin layer of mucosa. Although it has no  use but infection can cause sinusitis.

Coccyx

It  is often known as the tailbone as it makes the last part of the vertebral column. It can be observed during human embryogenesis.

Wisdom Tooth

It forms the third set of molars in our buccal cavity. They were significant   in the past but,  in modern times, as they are  remote and inaccessible ,and it causes infection and pain .

External Ear

The external ear is a vestigial structure. Underdeveloped muscles in the ear make us incapable to bring about the movement of ears. Of the upper part of the ear ,present on the juncture is a Darwin’s tubercle, which is a vestigial feature

Nictitating Membrane

It is the third eyelid found in a few animals which helps in keeping the eyes moist and also helps in vision. Which is replaced by plica semilunaris in humans.

Tonsils

It is also a type of vestigial organs in the human body. It protect the body from harmful microorganisms which are either inhaled or ingested .

To know more about  vestigial organ click on the link below-

https://brainly.in/question/11531025

To know more about external ear click on the link below-

https://brainly.in/question/516587