biology (reproduction in humans)

sexual reproduction?

the fusion of male and female gametes to form a zygot and the production of a genetically dissimilar offspring

male gamete?

sperm cell

female gamete?

egg cell

the number of sets of chromosomes in each cell of an offspring

two chromosomes

testis

a reproductive organ that exists as a pair that produces both testosterone and sperm cells

testosterone?

a male hormone for the development and maintenance of the secondary sexual characteristics of males.

hormone

a chemical substance produced by the endocrine glands that acts as messengers for the body

scrotum

a pouch-like sac located outside the main body cavity that has a slightly lower temperature than body temperature to facilitate proper development of sperm 

sperm duct

a duct that loops over a ureter where sperm travels through

prostate gland

a gland

seminal gland

a reproductive organ that produces seminal fluid that contains nutrients and when combined with sperm, forms semen