No you need a heart and a brain too...
no
yes
lungs and muscles
nose , lungs and other respiratory organs
100%
Yes. Cows are much larger than humans are, thus need more oxygen to take in in order to function.
To protect the internal organs (such as the hearth and lungs) from damage.
The gas exchange organs in humans and sheep are quite similar. Both animals have similar functions and therefore need similar organs like lungs.
because they don't breath like humans
we humans need to breath so dose cars their air filter is our lungs.
Because you need them to live.
Food
Mars is no place for a human being. There is no breathable oxygen and no water, which are both things that humans need to survive.
We both need each other to live for example we give plants Co2 while they give us Oxygen.