levels of organisation Flashcards
different levels of organisation
cell-tissue-organ-organ-system
smallest living units in the body
cell
what are cells
cells are organelles formed from complex molecules- each organelle has a specific function
tissue
a group of cells performing one of more specific functions
organ
made of 2 or more tissues working together to perform a specific function
organ system
group of organs interacting to perform a function
intracting atoms
form molecules that combine to form the protein filaments of a heart muscle cell
molecules combine
to form the protein filament of a heart muscle cell
what do the heart muscles cells do
the cells interlock forming heart muscle tissue, which makes up most of the walls of the heart, a three dimensional organ
how many components of the cardiovascular organ system is the heart
1 the others also include the blood and blood vessels
what should the various orga systems do
work together to maintain the life at the organism level
