why don't we have tails?

Answer 1

Because you can kill a mosquito by hand.

Answer 2

Actually some people are born with tails. These days if a baby is born with a tail the doctor snips it off before the parents ever get a chance to see it.
But I've worked in a nursing home where a couple of the residents actually still had tails, not very long ones, but an inch or so, like a little stubby tailed animal would have.

Answer 3

We did have tails in the very early stages of our embryonic life. In fact, almost every vertebrate embryo has some form of post anal tail during its lifetime (one of four synapomorphic traits that define the Chordata phylum - which includes the subphylum Vertebrata).

When you developed into a fetus, your genetic coding did not have a useful expression for the tail as a fully-functional organism, so the tail was "absorbed" back into you. If you notice, your spine has a coccyx, or tailbone. Its shape and orientation suggest a past presence of a tail.

A major function for tails is balance. Since we walk upright (erect) with no heavy forward upper weight causing us to lean forward to the point of continuous collapse, there is no need for a counterbalance to maintain our vertical stance.

I hope this helps to cover the biological and physiological lack of a tail in humans.

Answer 4

at one point in his/her life, every human being does have a tail. Human embryos have a tail that measures about one-sixth of the size of the embryo itself. As the embryo develops into a fetus, the tail is absorbed by the growing body, but some traces remain even in adults. Occasionally, a child is born with a "soft tail," described by one embryologist as containing "no vertebrae, but blood vessels, muscles, and nerves, of the same consistency as the short tail of the Barbary ape." Modern procedures allow doctors to eliminate the tail at birth, but some children have had to learn to live with them. The longest human tail on record belonged to a twelve-year-old boy living in what was then Indochina; he boasted nine inches,

Answer 5

When you're an embryo you actually do have a tail, it recedes into your spinal cord. But nowadays, we just don't need tails to function in everyday life, so we don't have them. If you look at gorillas and chimps, they don't have tails either. Tails are usually for balance and additional dexterity. If some situation happened where we did need tails, I imagine that we would evolve to have tails!

Answer 6

Human beings do have tails, its called the coccyx. More commonly know as the tailbone. The coccyx is vestigal and seen very clearly at the embryonic stage of life. Much like other vistigal organs, like the appendix, we have descented with modifications.

Answer 7

Monkeys used tails to hang in trees and have balance in trees and stuff...

we don't live in trees anymore...

Answer 8

we do have tails .
log ago human do have long tail, but after a very long time of develop, changing n changing the tail is become shorter n shorter n finally it gone, so we do all have tail. tailbone is our tail.

Answer 9

well my daughter has pig tails but i guess that is not your question . the reason we don't have tails is because we would start looking at everyones tail and saying if he has a long one it means he has a long **** and if someone has a stubby one well you get my drift.

Answer 10

I got tail.

Answer 11

we do have vestigial tales, which means we once had tails whcih means we used to be monkeys.

Since we were able to stand upright and our legs grew to be the way they are now, wqe don't need tails anymore.

Monkeys used tails to hang in trees and have balance in trees and stuff...

we don't live in trees anymore...

and look at gorillas too, they don't have (or need) tails either.