SCIENCE Q3

• The reproductive system makes it possible for human to

  bear offspring and ensure the continuity of the human race.
• The testes are the site of production of male sex cells, also called sperm, and the primary male sex hormone, also called testosterone
• The Epididymis is just behind the testis. it is where the sperm cells produced in the testes are transport to and stored in.
• The vas deferens is also called as the sperm duct. through muscular contractions, mature sperms are transported from epididymis to the urethra
• The urethra


  serves as the passage way of the fluid containing the sperm called semen, to outside of the body
• prostate gland 


  produces fluids that help nourish the sperm
• penis 


  allow delivery of the sperm to the female reproductive tract, where the egg is.
• SPERMATOGENESIS


  It is responsible for the production of sperm.
• head

  Encloses the nucleus, which carries the male’s genetic material
• MIDDLE PIECE 


  Contains the mitochondria that provide energy for the sperm to move.
• TAIL 


  Used by the sperm cell for movement.
• ovaries 


  are responsible for the development of female sex cells called the ova or eggs
• Fallopian Tube


  The egg travels from the ovary to the uterus through the ________. the finger-like projections at the tubes pick up the egg released by the ovary
• uterus


  is a hollow organ where the egg is deposited after travelling via the fallopian tubes.
• cervix acts as the gatekeeper of the uterus which controls the flow of the substances going into and out of the uterus

• vagina is an elastic and muscular tube that connects the uterus of a woman to the vulva.
• oogenesis is how the eggs are made
• menstrual cycle consists of 28 days or more
• menarche is the first occurence of menstruation
• dysmenorrhea is the pain due to chemical imbalance which causes the abnormal contraction of the uterus
• fertilization is the process when egg cell and the sperm unite