I am the reproductive system that consists of the testes, ducts, accessory glands and penis. Who am I? The Male Reproductive System. I am the pouch of skin inside that hangs outside the body which holds and protects the testis. Who am I? The Scrotum. I am the male sex cell and contain only 23 chromosomes. I produce sperm and the hormone testosterone. Who am I? The Sperm. Who am I? The Testis. I am the tube for passage of sperm from the epididymis to the penis. I am the hormone produce by the testes. Who am I? The Vas Deferens. Who am I? Testosterone. I am the tube leading from bladder/prostate to outside held within penis and also transport sperm and urine outside the body. Who am I? The Urethra. I am a coiled tube where sperm is stored until it matures after it leaves the testis. Who am I? The Epididymis I produce nutrients and lubrication for transport of sperm known as semen. Who am I? The Seminal Vesicles. I am the male sex organ and urinary organ/the male reproductive organ. Who am I? The Penis. I am the female sex hormones produced by the ovaries. Who am I? Estrogen and Progesterone. I am the break down and release of unfertilized eggs wherein the lining of the uterus is shed. Who am I? Menstruation. I produce the eggs in a female and am also the gland that produces estrogen and progesterone. I am the tube that connects the ovary to the uterus and this is also where fertilization occurs. Who am I? Who am I? The Ovaries. The Fallopian Tubes/The Oviduct I am the process in sexual reproduction in which male and female reproductive cells join to form a new cell. I am the monthly release of a mature egg cell form the ovary. Who am I? Fertilization. I am a muscular organ where fertilized egg develops into a baby. Who am I? The Uterus. Who am I? Ovulation. I am the elastic muscular tube that leads from uterus to outside of body and functions as the passageway for menstruation and fetus during birth. Who am I? The Vagina. I am the neck-like structure between the uterus and the I am the mucous membrane that vagina which will expand when lines the uterus. giving birth. Who am I? Who am I? Endometrium The Uterus. I am the time of life when sex glands become functional. Who am I? Puberty. I am the whip-like projection that enables the locomotion of a cell; sperm use me to swim. Who am I? The Flagella. I am the thick fluid containing sperm and other secretions from the male reproductive system. Who am I? Semen. I am a fertilized egg. Who am I? The Zygote. I am another name for sex cells (both male and female). Who am I? The Gametes. I am the hair-like projections on the outside of cells that move in a wavelike manner; in the fallopian tubes, I help transport the egg from ovary to uterus. Who am I? The Cilia I am the structure through which female and male genetic information combine to create offspring with genetic variation; the egg provides 23 of me and the sperm provides the other 23. Who am I? The Chromosome.