I think it might be d. the lungs expand and contract which increases the rate of blood flow so the muscles can convert and store energy
Self actualization ,esteem, love/belonging, safety, physiology
Stimulants: These drugs elevate your mood and increase your alertness and energy. They’re usually highly addictive and can cause paranoia over time. Examples include cocaine, methamphetamine, and prescription medications for ADHD
mark brainliest please :)
8 people in total. There should be 4 couples