The heart because it puts increased demands on he heart to strengthen heart and cardiac muscles<span />
I’m pretty sure it would be B but it could also be D
They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves
Your health will be affected in a good way. Endurance and muscle mass will be much stronger because rest is key for your body to adapt.
Because When people cyber bully they tend to be more meaner sense they are not talking to person, or sometimes bully’s like to expose People of their pictures or of their family problems.
