There are many skeletal muscles in your body. for skeletal muscles to move a limb, like your arm, in either direction, the muscles must work:

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !