chpt 16 : human sexual reproductive system Flashcards
what is reproduction
process of producing offspring
how is genetic material from parents distributed to their kids
50% by mom 50% by dad
how is traits from parents distributed to their kids
random
male puberty period
12-16
female puberty period
10-14
what happens to the reproductive system during puberty for male and female
male : testes grow larger and produce male sex hormones and male sex cells
female : ovaries begin to produce female hormones and female sex cells, ovulation and menstruation starts
what are the physical changes for both male and female during puberty
male : height and weight increases ,body becomes more muscular, armpit hair, facial hair, pubic hair starts growing
female : height and weight increases, breasts grow larger, hips become rounder and wider, armpit hair and pubic hair starts growing
how is sperm transported
testes -> sperm duct -> urethra
what does the sperm duct do
it is a tube that transport sperm from the testes to the urethra
what does the scrotum do
it is a bag of skin that protects and holds the testes l
what does the sex glands do
it releases fluids that contains nutrients that provide sperms with energy for them to swim
what does the penis do
it is a male sex organ which ejects sperm and deposits them into the vagina during sexual intercourse
what does the testes do
it produces male sex hormones and male sex cells
what does the urethra do
tube that carries sperm from the sperm duct through the penis to outside of the body, it also allows urine to be removed
what does the oviduct do
it is the site of fertilisation, eggs from the ovary are pushed to the uterus
what does the uterus do
it is where the embryo implants itself, develops and is protected
what does the ovary do
the ovary produces female sex hormones and eggs w
what does the vagina do
it is where sperm from the penis is deposited during sexual intercourse