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Criado por Saarah Ahmed
aproximadamente 10 anos atrás
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you are ... sighted if you have concave lenses
you are ... sighted if you wear convex lenses
if the lens is fat in the middle it is a ... lens
a convex lens is ... in the middle
... lens put the rays apart
convex lens put the rays ...
... lens shrinks the image
concave lens ... the image
if you are short-sighted your eyeball is too ...
if your eyeball is too small your ...
you are ... if the image is focused behind the retina
if the image is focused in front of the retina you are ...
what is the first part of the ear
... starts to beat and passes it on to the ossicles
the ossicles passes on the vibration to the ... in liquid form
the cochlea passes it on to the ... nerve which is in the brain
the iris is the ...
the ... contains cells which are light sensitive
(where the image is focused)
the cornea ... the ...
the ... is made smaller or bigger by the ...
the optic nerve focuses light onto the ...
draw an ocilliscope graph with the parts labelled
osilliscope graph- is the sound is deep and loud what are the waves going to look like
... is where gas exchange takes place
tidal volume is the ... amount of air you can breathe in and out of your lungs
... air us the maximum amount of air you can breathe in and out if your lungs
training makes the lungs more effective at supplying the ... with oxygen
... enters the blood whilst ... leaves
glucose and oxygen are carried by the bloodstream to the ...
the windpipe is:
flexible
not too weak nor strong
not breakable
made of ...
capillaries grow around the ...
alveoli is very ...
alveoli have a ... surface area
... carries out gas exchange
alveoli have a lot of blood ...
name the three types of enzymes
amalyse is found in the:
pancreas
salivary glands
...
amylase turns starch into ...
... is found in the:
stomach
pancreas
small intestine
protease turns proteins into ...
lipase is found in the:
...
small intestine
... turns lipids into fatty acids and glycerol
the liver produces ... which helps the digestion of fat
food is ... into the bloodstream which takes place in the small intestine
extra water is absorbed back into the body in the ...
the ... creates chemicals called the digestive enzymes
what are the two types of respiration
anaerobic
glucose (arrow) ... acid and energy
anaerobic
there is no ... involved
anaerobic
a build up of lactic acid can cause a ...
in anaerobic less/more energy is produced the aerobic
in anaerobic ... is broken down fully
aerobic
glucose + oxygen (arrow) ... + carbon dioxide + energy
aerobic
... energy is produced
aerobic creates water and ... which we don't need
name the three things atoms contain
protons have a .. charge and the electrons have a negative charge making the atom neutral
when atoms are chemically joined they become an ...
when two ... are chemically joined it becomes an compound
elements can have up to ... shells
when atoms chemically join a reaction is produced as electrons are joining onto the opposite ...
atoms have a nucleus which is made up of protons and ...
protons have the same number as ...
neutrons have no ...
you find out the ... by subtracting the big number from the small
periodic table
the big number is always going to be the ...
the small number is the protons which is equal to the ...
smoking can cause the ... of ... to be damaged and prevent it from doing its job
what is the job of cilia?
what can prevent this from happening?