Summary Topic 3 Cellular Organisation

Cellular Organisation
Tissue-group
all
of specialized cells
cells
composed
of one
type/similar working together
to
perform te same
function and
S.I units are
often of similar origin .




Organ a
of different tissues working
-




group
to
together carry out one or more

different functions .




system- agroup different
working
Organ of organs he
together or more


different functions .




Apoptosis-programmed cell death

L rate of cell division rate
of apoptosis
↳ genes for apoptosis need to be controlled .




Necrosis -
uncontrolled cell death