A oxygen makes the red show more easily than carbon dioxide because carbon is black and darkens the colour of the blood.
A CO2
dyes the blood darker than O2
does.
Effects of carbon monoxide:
Red blood cells can be reversed but carbon monoxide will not leave the red blood cells.
The glomerulus takes out the parts it thinks it needs to take out.
Homeostasis: the body's way of controlling the climate.
Less urine was produced on a warm day because:
- he was retaining sweating moisture to keep him cool
- sweat and urine are the same thing
- sweat is cool
Negative feedback is when the feedback does not happen as there is something wrong.
When wearing wet clothes on a windy day :
- the wind turns the wet into cold
- your body heat is evaporated out
- you may get ammonia
In diabetes the prostate gland does not produce any insulin.
Solution to a kidney problem: kidney transport.
Functions of a fermentation lock:
- to trap natural air inside the wine
- it ensures that excess air does not get in
- it ensures that wrong air does not disturb the process
- to stop the organism that is fermenting from escaping
Budding is
- when an organism has another organism growing out of it, which should soon detach itself
- when 2 bits fuse so they can multiply
- expanding its given load
Q What does an omnivore eat?
A both meat and vegetables
A carnivores
If all the greenflies were killed, how would this affect the rose bushes and ladybirds?
- ladybirds would weaken
- rose bushes would die because no one would eat them
- rose bushes would grow prettier and ladybirds would migrate to other countries
Difference between pyramid of numbers and pyramid of biomass:
pyramid of biomass can stay the same as it goes up
Concentration of carbon dioxide (read from graph):
350 million parts
Explanations of the greenhouse effect
- when hot air rises, CO2 gets trapped
- The atmosphere is made of CO2 and is getting thicker
- CO2 has thickened the atmospere so is letting less heat out
- increased birth rate
- spraying crops with insect repellent
Function of iodine solution when examining plant cells under the microscope:
to brighten the picture
Part of the microscope: thick tune focus