Answer:
The cells in the retina (called rods and cones) that convert light energy into nerve energy are called photo-receptor cells.
Explanation:
Answer:
C) The components of the respiratory chain are arranged in order so that an electron passing from one to the next undergoes a sequential drop in energy.
Explanation:
Cheyne–Stokes states that respiration is an abnormal pattern of breathing characterized by progressively deeper, and sometimes faster, breathing followed by a gradual decrease that results in a temporary stop in breathing called an apnea.