I think it's number 3 .......
I think the answer is skin. Skin contains sweat glands which secrete a fluid waste called sweat or perspiration; nonetheless, its primary functions are temperature control and release of pheromone. Its role as a part of the excretory is therefore minimal. Additionally, sweating also maintains the levels of salt in the body.
46 chromosomes, but 23 pairs.
Answer:
13. is Option J) all of the above
and 14 I'm not completely sure but I think its option D.