what role do the bones of the skeletal system play in breathing?

The bone position the nose so that it always stand upright.

Explanation:

The nose has skeletal bone inside that always holds the flesh of the nose to always ensure the nose is open to receive air.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.