After injuring his knee, kai began having pain and numbness in his lower leg. the doctor said the injury damaged nerves that run all the way down his leg. damage to which system is causing kai's pain and numbness?
the peripheral nervous system
the central nervous system
the endocrine system
the cirulatory system

Select the correct answer from each drop-down menu. 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.