human are pruduct of God. life controls respiration and give strenght to reproduction. before an egg is fertilized it has been with life to fullfiled the power of creation.
By sexual reproduction.
poo and pee
Oxygen is an end product of photosynthesis, along with glucose/starch, and is needed for humans and other living things, besides plants.
No, urine is not the only waste product that humans excrete. Humans also excrete waste solids as fecal matter, and waste gas - primarily carbon dioxide and water vapor.
"No, Revolution for cats is not appropriate to apply on humans. Humans and cats have very different skin, and it may in fact harm a person who attempts to use this product. Humans should never use any product designed specifically for animals."
Oxygen
i think the digestive end product for a protein would be simple sugars.
Usually people, but it differs from product to product. It seems that when you sell things for humans they will buy it.
carbon dioxide
not really its a ind food for humans.
It is not designed by humans, it is a natural product having this characteristic.
That would be air.