You get tired when you run because our leg muscles don't get enough oxygen anymore.
You should wash your hands Before putting on disposable gloves. Washing our hands properly can help prevent the spread of the germs (like bacteria and viruses) that can cause diseases such as: gastrointestinal infections, Salmonella, and respiratory infections such as influenza.
Answer:
Ancient Greeks.
Explanation:
The human males and females are separated on the basis of their gender. The third gender might occur due to the mutation in the normal chromosomes of the humans.
Different cultures and the scientists have different thinking on the sexuality of the people. According to the Ancient Greeks, the heterosexuality and homosexuality might occur because according to them humans were used to be double creatures and homosexuality is common among them.
Thus, the answer is ancient Greeks.
