sperm - male sex cell, egg - female sex cell, meiosis - process that makes sex cells, diploid - contains full set of chromosomes -46, haploid - contains half the normal chromosomes 23, testes - make sperm continually after puberty, scrotum - sac that holds the testes, glands - add fluid to help sperm cell swim, ovary - makes eggs, cervix - muscular neck of the uterus, uterus - where foetus grows, fallopian tube/oviduct - carries egg to the uterus, sperm mitochondria - release energy for swimming, sperm tail - for movement, gametes - name for sex cells, variation in offspring - is produced by sexual reproduction, genetically identical clones - are produced by asexual reproduction, zygote - gametes combine to form this, amniotic fluid - liquid that protects foetus, placenta - provides oxygen/nutrients to foetus and removes waste, embryo - ball of cells that develops into the foetus, hormones - these control the menstrual cycle, 28 days - length of the average menstrual cycle, external and internal - types of fertilisation, IVF - in vitro fertilisation- fertility treatment, ovulation - release of an egg, conjoined twins - formed from partially split embryo after day 12, umbilical cord - links placenta to foetus,

Fynonne House Animal reproduction whole topic Y7

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