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Human reproduction - Coggle Diagram
Human reproduction
This requires two different sex cells: an ovum from the mother and sperm cell from the father. These cells contain different genes that parents pass on the baby.
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TESTICLES
The testicle produce millions of sperm every day. The testicles are i a bag of skin called the scrotu
VASA DEFERENTIA AND PROSTATE
The sperm cells leave the testicles through two tubes called the vasa deferentia and carry the sperm cells to the seminal vesicles and the prostate. Both of these produce liquids to make a substance called semen
PENIS
The penis is a tubular organ that contains the urethra. Males release sperm through the urethra in a process called ejaculation. Urine is also released from the body through the urethra
PUBERTY IN BOYS
11-16 years old. The brain produces hormones that affect the testicles. Then the testicles start producing a hormone called testosterone, which causes physical changes.