When you shiver, that's actually how you help yourself stay warm! It's your immediate instinct reaction to do so when you're cold, so there will be more heat produced, and they occur by your muscles moving. =)
Sorry if I’m wrong but I believe it’s the cardiovascular and lymphatic system
Hope this helps!
The fossil is the bones of the dinosaur. It is nonliving as the dinosaur is dead.
E.coli because e coli is a bacteria.
A tcells was the first day I had to go home to the dog and I see
