This is true. Women are generally shorter than men and the shorter you are the closer your center of gravity is to the ground, and the lower it is the higher the stability, which means that women are in theory more stable. Men do have more muscle mess, both in the sense that they are larger physically so there's more mass, and also proportionally.
Metastasis, the process in where cancer cells break off from their original position, and travel throughout the bloodstream
he would be suffering from a life threatening condition. if lasts to long he could go into a coma. its called heat stroke. symptoms can feel like a heart attack.
Answer:
the diaphragm helps draw air into the lungs
Maybe you should take him to the hospital/doctor or go tell a nearby adult.