revision Flashcards
what is the job of the nucleus
controls the cell
what is inside the nucleus
chromosomes
what is inside chromosomes
genes
what is inside each chromosomes
a dna double helix
what is the name of the female reproductive cell?
egg
what is the name of the male reproductive cell?
sperm
what parts make up the male reproductive system?
bladder, urethra, penis, testes
what is the function of the bladder?
produces urine
what is the function of the testis
produces sperm cells
what is the function of the urethra
tube that carries urine and sperm
what is the function the penis?
becomes erect during copulation (sexy time) #
name the parts of the female reproductive system
oviduct, ovary, uterus (womb) the vagina
what is the fuction of the ovary
release egg cells
what is the function of the oviduct
tube which connects the ovary to the uterus
what is the function of the uterus
site of foetus developement
what is the function of the vagina?
where copulation takes place
the what happens during during fertilisation
the egg and the sperm and the egg merge together
what do the white blood cells do to sperm in the uterus
kill the sperm
where does fertilisation take place
the oviduct
what would happen if a second sperm enters the egg
the egg will die
what does the growing foetus receive from it mother
food and oxygen
what is the name for a male plant reproductive cell called
pollen
what is the name for a female plant reproductive cell called
ovule
what is the function for a petal
attracts the insects