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reproduction in humans - Coggle Diagram
reproduction in humans
male
testis
produces sperms
penis
male & female reproductive cells fuse
fetus undergoes cell division
baby gets nutrients from mother via umbilical cord
baby is born
twins
identical
1 egg & 1 sperm fuse, then embryo splits into 2
produces twins that look alike
fraternal
2 eggs & 2 sperms fuse
produces twins that look different/are of different genders
parents pass down traits to their young
attached/detached earlobe
single/double eyelid
curved/straight thumb
widow's peak
curly/straight hair (unless perm)
colour of hair
colour of eyes
female
ovary
produces egg cells
vagina
fallopian tube
womb
baby develops here