Answer:
a. suprachiasmatic nucleus.
Explanation:
The circadian rhythm is an internal process that regulates daily cycle (sleep/wake conditions through the 24 hours). This process is performed by circadian clock which is located in hypothalamus, in the suprachiasmatic nucleus. It has been shown that when the suprachiasmatic nucleus is destroyed, regular sleep–wake rhythm is lost.
The suprachiasmatic nucleus sends information to the pineal gland, which secretes hormone melatonin (regulator of sleep–wake cycle).
Evaporation or transpiration (a type of evaporation)
It is the breast that is responsible for more cancer deaths in women through breast cancer. Hazard factors for creating breast cancer incorporate being female, stoutness, absence of physical exercise, drinking liquor, hormone substitution treatment amid menopause, ionizing radiation, early age at first monthly cycle, having youngsters late or not in any manner, more established age, and family history.
