The products of photosynthesis are the reactants of cellular respiration.
The client who complain of felling dizzy and light headed and having tingling sensation of fingertips around the lip is related to hyperventilation.
Hyperventilation of the client is associated with client blowing excessive carbon dioxide which lead to client fell dizzy and light headed and having tingling sensations of the finger tip around the lips If this condition is uninterrupted it could lead to respiratory alkalosis.
Precursor to most psychological disorders
Question 1. i would say psychology took so long to be recognized because people only thought the problem was in their physical body not their minds and they thought if you just fixed your physical body then your would be fine