Evidence that sleep functions to repair and restore the brain and body comes from the research find that there is an increase in the release of growth hormone during:

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

If your blood becomes too concentrated with iona, what will happen to the red blood cells