Explanation:
How Age and Exercise Affect Your Max Heart Rate. The relationship between the heart and exercise has been studied for more than six decades and the research is clear: Max heart rate—the highest heart rate you can safely hit during exercise—decreases with age regardless of lifestyle or level of fitness.
Answer:
While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.
hope this helps!!:)
Explanation:
1, 2, and 3, this is because when someone is planning to kill there selves everything will be sudden they don’t care about anything yet they are happy at the thought of never feeling pain again cause they are about to die. Don’t hold me to this answer but I hope it helps!
short term
Extreme sensitivity to touch, sound, and sight
Intense happiness
Anger/irritability
Paranoia
Decreased appetite
long term
Headaches
Convulsions and seizures
Heart disease, heart attack, and stroke
Mood problems
Sexual trouble
Lung damage
HIV or hepatitis if you inject it
Bowel decay if you swallow it
Loss of smell, nosebleeds, runny nose, and trouble swallowing, if you snort it
Explanation: