The mass of an object is the a) force of gravity acting on it

B)amount of matter it contains

C)amount of space it takes up

D)amount of water it displaces

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.

Aneutral atom must have the same number of neutrons and protons? no, they must have the same number of protons and electrons