In the light reactions, H2O goes in, and O2 goes out.
The answer is C: the nervous system supplies nutrients and minerals to developing bones
Human somatic cells have 46 chromosomes, including 22 homologous pairs and one pair of nonhomologous sex chromosomes. This is the 2n, or diploid, condition. Human gametes have 23 chromosomes, one each of 23 unique chromosomes. This is the n, or haploid, condition.