The answer your looking for should be
A) They block pain messages from reaching brain cells.
Answer:
c nonstop activity that requires large amounts of oxygen and works the heart
the esophagus connects and transports food from the pharynx to the stomach
(pharynx is close to mouth, so id say mouth to stomach.)
Answer:
Increased strain on the liver, which puts the person at risk of significant liver damage or liver failure. Seizures, stroke, mental confusion and brain damage. Lung disease. Problems with memory, attention and decision-making, which make daily living more difficult.
Explanation:
D. all of the above
Answer:
cocaine,amphetamine and nicotine
Explanation:
Stimulants, such as cocaine, nicotine, and amphetamine, increase the activity of the sympathetic nervous system, the central nervous system, or both. Stimulants generally increase heart rate, blood pressure, and one's sense of alertness.
