1. List some things that happen to your body when you are really cold or really hot. 2. From your list, think of 3 body systems that work to regulate your body temperature and keep it around 98.6 degrees Fahrenheit .

1 . when the body gets really cold . the muscles will generate heat through shivering then the blood vessels that will transfer warm blood from the organs to the cold skin

when the body gets hot ... your heart begins to pump faster that way it's bringing the blood closer to the serface of the skin

Explanation:

some body systems that work to regulate body temperature is

. cardiovascular

. muscular

. and the blood vessels as well

hope this helps

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.