Answer:
1. 90 minutes
2.In a typical night, a person goes through four to six sleep cycles
3.d maybe
4. Polysomnography shows a 50 percent reduction in activity between wakefulness and stage 1 sleep. The eyes are closed during stage 1 sleep. However, if aroused from this stage of sleep, a person might feel as if he or she has not slept. Stage 1 might last for five to 10 minutes.
5.You do most of your dreaming during REM sleep. But your brain paralyzes your muscles so you do not act out the dreams.
During sleep, a person usually progresses through the 3 stages of non-REM sleep before entering REM sleep. This takes about 1 to 2 hours after falling asleep. The cycle is repeated three to four times each night. An adult spends more time in NREM sleep than in REM sleep. An infant usually spends about half of the sleeping time in NREM and half in REM stages.
6. d
7. a
8. b
Explanation:
im so sorry if any of these are wrong i tried to get as much info
The best classification for a heart defect is a stressor when Mauro and his wife have recently learned that their child has a congenital abnormality in his heart that will require heart surgery.
High amounts of stress can also cause your heart rate to accelerate and beat more quickly. One study looked at how the heart rate reacted to stressful and non-stressful situations and discovered that the heart rate was considerably greater in stressful circumstances. High blood pressure brought on by stress can increase the risk of heart attack and stroke. Along with smoking, eating too much, and not exercising enough, stress has been linked to an increased risk of cardiovascular disease.
To learn more about heart click here:
brainly.com/question/4051977
#SPJ4
The answer is D .
( Acquired immune deficiency syndrome)
Arteriosclerosis is described as a cardiac disorder that results in hardening of the arterial walls. This can affect elasticity, and in turn blood circulation and blood pressure. The illness is different from Atherosclerosis, as Atherosclerosis is a buildup of debris in the artery (Plaques forming from fat deposits, platelets, clotting, etc..) Many times though Arteriosclerosis and Atherosclerosis work in tandem to worsen cardiovascular health, greatly increasing chances of Aneurysms, Emboli (Traveling clots), or Thrombi (stationary clots)
Answer:
I DO NOT THINK IT WOULD BE A GOOD CHOICE.
Explanation: