What do you mean? that is not can be answered
Phagocytosis is the engulfing of solid particle like substances by wbc which is neutrophils.
<span>the ingestion of liquid into a cell by the budding of small vesicles from the cell membrane.</span>
The human respratory system is responsible for removing 2 carbon dioxide from blood
The answer is D.
Melatonin is a molecule that is produced in the pineal gland and secreted into the blood. Melatonin then travels to different parts of the brain. It tells the brain and the rest of the body about the time of wake and sleep. It causes drowsiness and decreases body temperature to assist in the regulation of the sleep/wake cycle. The melatonin secretion into the blood is regulated by the endocrine system, by the hypothalamus which on gets stimulated by the light.
