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Title: GCSE OCR Biology Module 5
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
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Activity: draw heart diagram
and label functions
Define antagonistic
When the e
...
biceps and triceps muscle
contract and relax in coordination with each
other
...
Draw diagram: gas exchange
How are fish filaments
adapted for efficiency?
Have numerous folds that give them a very large surface
area and also have an efficient transport system within
the lamellae which maintains the concentration gradient
across the lamellae
...
How is the small intestine adapted
for efficient absorption?
It has a large surface area (made up of villi) and it has a
lot
of blood capillaries which allow the transportation of food
molecules all over the body
...
What are SAN and AVN
nodes? what do they do?
SAN contracts atria, stimulates AVN
node which opens/ closes ventricles
...
What are the advantages of an
endo-skeleton?
Strong, light, flexible, can
adapt as the muscles grow
...
What are the different types of
enzymes that break down food?
Lipase (fats), protease (proteins),
carbohydrase (carbohydrates), amylase
(sugars)
...
What are the types of fertility
treatments?
IVF, artificial insemination
...
What does FSH hormone do?
It causes the egg in the ovary to mature and
then trigger the ovary to release oestrogen
hormone
...
What does LH hormone do?
Causes the now mature egg to
be released from the ovary
...
What does progesterone
hormone do?
Controls the thickness of the
uterus lining
...
What does turgid mean?
When a cell becomes full of liquid and it
pushes against the sides of the cell wall
...
What hormone controls the rate of reabsorption of water in the kidneys?
ADH hormone
...
What is a skeleton first made
of?
Cartilage
...
What is hole-in-the-heart?
When at birth there is a whole between the two sides of
the
heart, letting oxygenated and deoxygenated blood mix,
making circulation less efficient
...
What is selective reabsorption?
It is a form of active transport which takes the useful
substances for the body from the tubules and places them
back into the blood filled capillaries through a
semi permeable membrane
...
What is the tidal air?
The amount of air passing in and out of
the body during normal breathing
...
What is ultra-filtration?
It is urea, salt, water and glucose are taken out of the
blood
in the kidneys by high pressure across a semi permeable
membrane
...
What was the early
understanding of blood?
People thought it was made in
the liver continuously
...
Why does an amoeba not need Single celled organism, oxygen
a circulatory system?
diffuses in and out
Title: GCSE OCR Biology Module 5
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.