Light alerts the biological clock to slow down the secretion of melatonin hormone that promotes sleep. Melatonin hormone is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness. . The hormone is used to regulate night and day cycles or sleep-wake cycles, darkness causes the body to produce more melatonin, which signals the body to prepare for sleep. Light decreases melatonin production and signals the body to prepare being awake.
Answer:
2. Subcutaneous emphysema
Explanation:
Subcutaneous emphysema is a Medical condition where a bulging or swelling occurs beneath the skin due to passage of air or gas in the subcutaneous layer of the skin. Thoracentesis which is mostly done to remove fluid could cause air passage into the subcutaineous tissue resulting in swelling which progresses as more air enters the tissue
lab, we used Benedict's reagent to test for one particular reducing sugar: glucose. Benedict's reagent starts out aqua-blue. As it is heated in the presence of reducing sugars, it turns yellow to orange. The "hotter" the final color of the reagent, the higher the concentration of reducing sugar.
D .stomata -releases oxygen made during cellular respiration
Answer: the first if A second B third D
Explanation: I did a quiz of that yesterday