Distinction assignment from BTEC Applied Science Unit 9 - human health and reproduction. unit 9C includes the structure and function of reproductive anatomy, and describes how hormones are involved in gamete development and conception. it also explains how the regulation of male and female reproduc...
Male:
prostate gland – Can be found underneath the bladder. Its function is to
produce fluid that helps in the transportation of sperm. This fluid is called
seminal fluid, and it nourishes the sperm.
Penis – Male organ responsible for releasing urine and sexual intercourse.
Testis - Gland found in the scrotum that produces sperm and
testosterone.
Epididymis – Narrow tube attached to the testes which stores and carries
sperm cells.
Scrotum – Bag of skin which helps protect the testicles.
Cowper’s gland - Pea sized gland that produces thick clear mucus
before ejaculation.
Vas deferens – Carries sperm from the epididymis to the urethra where it
then leaves the body by ejaculation.
Erectile tissue - Lots of arterioles and the tissue becomes firm as the
male becomes aroused. The tissue becomes firm due to increased blood
supply.
Seminal vesicle – Produces fluid which assists the sperm by helping it to
travel more easily. The fluid turns into semen.
, Female:
Uterus – hollow shaped organ in the pelvis that nourishes the developing foetus. The
embryo implants into the wall of the uterus.
Ovary – produces egg cells in the body. Oestrogen and progesterone are produced in the
ovary.
Oviduct – passageway that transports the ova to the uterus. Sperm also travels through here
to reach the egg.
Cervix – Lower end of the uterus which the sperm travels through to fertilise the egg. Allows
blood to pass through the uterus into the vagina, and controls what substances enter the
body.
Uterine horn – points of attachment for the ligaments of the uterus.
Fimbriae – thin, hair like structures which catches the egg released during ovulation.
Endometrium – inner uterus lining which thickens when a fertilised egg is planted. Lining
would shed during menstrual cycle.
Vagina – has 3 main functions: receives the penis during sexual intercourse, stores the
sperm before it is transported to the uterus, and removes blood from the uterus during the
period.
Labia – protects the opening of the vagina and urethra.
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