how does gravity effect our physical features?

Answer 1

Directly, it affects how thick our legs must be (and how big the muscles) to walk, etc.

It affects the density of the atmosphere which indirectly affects things like the size of our lungs and the amount of energy we have to spend on breathing vs. other things, like brainpower.

Answer 2

Indirectly, a planet's gravity can have many effects on creatures that evolved on its surface. One effect would be the orientation of our limbs - arms and legs naturally grow "down" toward the Earth. In fact, merely having legs already point to a planet-based evolution - after all, the capability to stand (much more, being "upright") does not seem to be needed in freefall.

Directly, outward features like your hair will not naturally "fall down," which will mean using a large amount of gel to keep a hairdo. You can also bloat since the distribution of fluids and circulation is affected.

There are a lot more possible indirect and direct effects, and I think it would be fun to tick them off during idle times. It's particularly interesting to think what a creature that evolved in a low-gravity or freefall environment will look like.

Answer 3

We build mass.. bone muscle and are short. With reduced gravity the astronauts grow talle and reduce muscle/bone mass.

So if born and raised in zero gravity you could be called mr.glass because you would be so fragile. On the other hang more energy would be placed into the mind.

Answer 4

I don't know...good question. I didn't actually know it did...lol MAYBE IT MAKES THE SPERM COME AT DIFFERENT TIMES WHICH CAN AFFECT THE WAY WE LOOK AS HUMANS.

That would be my retarded answer for ya :-D