Answer:the process of excreting nitrogenous waste in the form of ammonia
Explanation:
Answer:
The correct answer is option c.
Explanation:
Starting from the initial primates to the hominids, and eventually, to Homo sapiens, the brain of humans has grown spontaneously. The volume of the brain has increased with the evolution of humans, that is, starting from about 600 cubic centimeters in Homo habilis to 1600 cubic centimeters in Homo neanderthalensis. The Homo neanderthalensis was the hominid with the largest size of the brain, that is, with the maximum cranial capacity. The enhancement in the size of the brain ceased with neanderthals. After that the shrinking of the brain size took place.
Aldosterone stimulates the reabsorption of Na+ and secretion of K+ in the the kidneys. Aldosterone is classified as a steroid hormone that is being produced and secreted in the adrenal cortex. It stimulates the reabsorption of these ions by increasing the activity of the sodium and potassium pumps and the leakage channels of the sodium and the potassium ions. This hormone would activate the electrogenic channels of these ions located in the apical membrane increasing the synthesis of the channels. The secretion of this hormone is being stimulated by the low plasma sodium ion concentration, high plasma concentration of the potassium ions and the angiotensin 2.