35512292
Description
Mind Map by George Buznea, updated more than 1 year ago
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Created by Tia Eve
over 8 years ago
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Copied by George Buznea
almost 3 years ago
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Hormones
- Chemical messengers sent in the blood
- Carried in blood plasma to
other parts of the body
- Only affect target cells in
particular places
- Have long lasting effects
- Have long lasting effects
- Only affect target cells in
particular places
- Control things in organs and
cells that need constant
adjustment
- Carried in blood plasma to
other parts of the body
- Produced in and secreted by
various glands
- The pituitary gland
- Produces important
hormones including FSH
and LH
- Produces important
hormones including FSH
and LH
- Ovaries
- Produce oestrogen
- Involved in menstrual cycle
- Involved in menstrual cycle
- Produce oestrogen
- The pituitary gland
- Difference
between nerves
and hormones
- Nerves
- 1) Very FAST action
2) Act for a SHORT
TIME 3) Act on a
PRECISE AREA
- 1) Very FAST action
2) Act for a SHORT
TIME 3) Act on a
PRECISE AREA
- Hormones
- 1) SLOWER action
2) Act for a LONG
TIME 3) Act in a
GENERAL way
- 1) SLOWER action
2) Act for a LONG
TIME 3) Act in a
GENERAL way
- Nerves
- Menstrual cycle
- Four stages
- Day 1 is when the bleeding starts.
The uterus lining breaks down for
about four days
- The lining of the uterus builds up
again from day 4 to 14 into a thick
spongy layer full of blood vessels,
ready to receive a fertilised egg
- An egg is released from
the ovary at day 14
- The wall is then maintained for about 14
days, until day 28. If no fertilised egg has
landed on the uterus wall by day 28 the
spongy lining starts to break down again
and the whole cycle starts again
- The wall is then maintained for about 14
days, until day 28. If no fertilised egg has
landed on the uterus wall by day 28 the
spongy lining starts to break down again
and the whole cycle starts again
- An egg is released from
the ovary at day 14
- The lining of the uterus builds up
again from day 4 to 14 into a thick
spongy layer full of blood vessels,
ready to receive a fertilised egg
- Day 1 is when the bleeding starts.
The uterus lining breaks down for
about four days
- Three main hormones
- FSH (Folicle-Stimulating Hormone)
- Causes an egg to mature
in one of the ovaries
- Stimulates the ovaries
to produce oestrogen
- LH (Luteinsing Hormone)
- Produced by the pituitary gland
- Stimulates the release of an
egg at around the middle of the
menstrual cycle
- Produced by the pituitary gland
- Oestrogen
- Produced in the ovaries
- Causes pituitary to produce LH
- Inhibits further release of FSH
- Produced in the ovaries
- FSH (Folicle-Stimulating Hormone)
- Four stages
- Reducing fertility
- Oestrogen
- Taken everyday
egg development
and production
stop
- Taken everyday
egg development
and production
stop
- Progesterone
- Stimulates the
production of thick
cervical mucus which
prevents sperm
getting through
- Stimulates the
production of thick
cervical mucus which
prevents sperm
getting through
- The pill
- First made in 1950s and
contained high levels of
oestrogen and
progestorone
- Link between blood
clots so lower doses of
oestrogen now
- Link between blood
clots so lower doses of
oestrogen now
- First made in 1950s and
contained high levels of
oestrogen and
progestorone
- Oestrogen
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