The human body has evolved to eliminate wasteful organs and processes. Due to this, every single system plays a vital role in the maintenance of homeostasis, which keeps you alive. Without a system, certain processes would not be able to occur and death would quickly follow.
because without oxygen you cant breathe.
Because cells in a human body are really small that you cant see them.
because
NO, you cant stay healthy if any of your body systems were damaged, diseaded or missing.
computer can do any work but without help of human computers cant do anything
you cant, volcaloids are all just systems that produce music to sound human
No. humans cant get sick from dogs and daogs cant get sick from humans.
No , you cant live without a heart. The heart is reasonable for circulating the blood around the body. Blood carries the oxygen, which the body needs to survive. The only exception to this is someone had a artificial heart, it would be doing the same work as a human heart.
because it pumps blood through out the body which transports oxegen and without oxegen you cant breath and without breathing you cant live.
If we didn't have hearts, we wouldn't be alive.
the pressure is more than the human body is designed to cope with.
The human eye is not designed to see microscopic things.