Levels of Biological Organisation
The lowest level of Biological organisation
The Cell
The number of tooth types in a human mouth
Four
the gas used to keep cells working
oxygen
The organ which acts as a blood pump
Heart
when tissues join together to perform specific function in an organism
organ
The name given to the liquid which contains enzymes to begin chemical digestion in the mouth.
saliva
the other name for the wind pipe
trachea
the vessels which carry blood away from the heart
arteries
a group of living organisms of the same type
population
the organ which transports the food to the stomach
oesophagus
waste product in respiration
Carbon Dioxide
The feature of capillaries which allows gaseous exchange to take place
They have very thin walls which allow the gas molecules to pass through them
The number of levels of organisation in biology
Ten
the function of the epiglottis
to prevent food from entering the air pipe or trachea
lumps at the end of the bronchioles in which gaseous exchange takes place
alviolar sacs
the organs which the pulmonary arteries transport blood to
the lungs
Th name of non-living factors that along with communities of living organisms, make up an ecosystem
abiotic
the action which allows food to pass through the intestines
peristalsis
the name of the large muscle which allows us to breathe in and out
diaphragm
the function of red and white blood cells
red - for haemoglobin and carrying oxygen
white - for fighting off infection