You must know rour resting heart rate before you can calculate your target heart rate for exercise. Correct answer: B Resting heart rate is the number of times the heart beats per minute when te body is at rest. It is usually somewhere between 60 and 100 beats per minute for the average adult. In order to calculate the target heat rate, you should calculate heart rate reserve (HRR) which is resting heart rate subtracted from your maximum heart rate. Then you should m
ultiply your HRR by 0.7 (70 percent) and add your resting heart rate to this number and ultiply your HRR by 0.85 (85 percent) and add your resting heart rate to this number. This is the taregt zone.
Answer:
How Does It Work? Most birth control pills are "combination pills" containing a mix of the hormones estrogen and progesterone to prevent ovulation (the release of an egg during the monthly cycle). A woman cannot get pregnant if she doesn't ovulate because there is no egg to be fertilized. The answer is D.
Answer:
Stimulants and depressants are complete opposites. Stimulants increase function and increase energy and alertness while depressants slow you down to produce tranquilizing side effects. When a person takes both, the body tries to do both at the same time.
Everyone feels down at times. The breakup of a relationship or a bad grade can lead to low mood. Sometimes sadness comes on for no apparent reason. Is there any difference between these shifting moods and what is called depression? Anyone who has experienced an episode of depression would probably answer yes.
