Respiratory System
Actually, only humans and chimpanzees can "catch" the common cold.
osteoporsis
Repiratory system
birdy
So then that way your body can stay warmer
it cold be fond in each persons body it cold be fond in each persons body
The immune system.
Homeostasis
a person could catch A cold again because their immune system is weak but the WON'T catch the same cold again because their anti-bodies will have killed the infection and will know that it is the same germ again and kill it.
When exercising in a cold environment the muscle will be cold and oxygen and blood will not flow smoothly during exercise. It is important to dress warmly and warm-up before exercising to prevent injury.
Acquired Immune Deficeny Syndrome. (AIDS) attacks your immune system so you can't fight off infections. For example, a cold can become deadly if you catch it when you have AIDS.
yes. all dogs do. although they have extra body fat, to be able to swim in cold waters to catch fish that escape from nets,they do get cold.