True. They do directly affect the Human Body.
eyes
As the mass of a human body increases, so does the g-force exhibited on the human body.
Sexy
The lungs take in oxygen directly from the air.
The lungs are the part of the human body that absorbs oxygen directly from the air. When you breathe, the lungs take in oxygen from the air and transfer it to the bloodstream to be transported to cells throughout the body.
eyes
no
As the mass of a human body increases, so does the g-force exhibited on the human body.
nails
they dont
Sexy
The different things that can affect how the human body growth is SLEEPING Because when your sleep is ENOUGH Your Body will grow. That's all THANK YOU :)
Endocrine glands secrete hormones directly into the bloodstream in the human body.
from the breakdown of starch
yes
It shut's down most of the organs in the human body.
As new sperm are made in the body, there is no shortage of them in the body.