Answer:
Explanation:an excess of water in the body can lead to a low concentration of sodium in the blood Hyponatremia is a low concentration of sodium in the blood because of excessive retention of water
Answer:
Two groups of proteins, called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell through the various checkpoints. Cyclins regulate the cell cycle only when they are tightly bound to Cdks.
Explanation:
Mouth-> oesophagus-> stomach-> small intestine-> large intestine
<span>The answer would be A. negative punishment</span>