Answer:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.
Explanation:
D) Nicotine. Just one thing you need to memorise
Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body.
The correct answer is A.
Good sportsmanship or sportsman-like behavior shows respect amongst all players regardless of what team they are on, it shows that there is no animosity amongst players and teams and maintains a positive environment. Therefore the correct answer would be shaking hands with all opponents after your team has lost the game. You are congratulating them for game well played even though your team lost.
