Answer:
I'm pretty sure it's a, I'm
sorry if I'm wrong
Answer:
REM Stage of Sleep
Explanation:
Stage 3 Sleep [ REM Stage ] is the deepest stage of sleep. It is most revitalising & refreshening up sleep. It is crucial to re energise brain.
In this stage : Respiration , heart rate increases, brain activity is high & vivid dreams may occur, body becomes immobile & it is difficult to wake someone up. There are slow delta waves & rapid eye movement.
It is a very short duration (3 - 8% ) of total sleep and its concentration keeps on decreasing with age.
Answer: exosystem
Explanation: In ecological system theory, exosystem contains environmental elements that have a profound influence on a child's development, even though that child is not directly involved with them.