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
Answer:
Cell, tissue, organ, organ system, and the organism level.
Explanation:
Organization of the human body includes cell, tissue, organ, organ system, and the organism level. Cell is the structural and functional unit of all living organisms. When a group cells join together to perform similar function, it is called tissue. When tissues join together to form an organ and different organs combine together to form organ system. Different organ system combine together to form an organism. Anatomical terminology is a form of scientific terminology used by anatomists such as inferior, superior, anterior and posterior etc are used for different parts of body.
Answer: Polarization, depolarization
Explanation:
Resting potential is to action potential as polarization is to depolarization.
This type of potential is telling us about what is happening when a neuron is resting. On the other side, an action potential is happening when a neuron is sending information to an axon and because of that, a stimulus is causing the resting potential which is happening when a neuron is at rest.
Are you asking truth or false? It’s false.
Answer:
numbers and lines what else do u what you didn't put a picture