Cell organisation Flashcards
what are large multicellular organisms made up of
organ systems
what is the process by which cells become specialised
differenciation
when does differentiation occur in a multicellular organism
the development
what different systems do large multicellular organisms have inside them
exchanging and transporting materials
what is a tissue
a group of similar cells that work to carry out a particular function
it can be more than one type of cell
name and describe three examples of tissues in mammals
muscular - contracts to move what it is attached to
glandular - makes and secretes chemicals like enzymes and hormones
epithelial - covers some parts of the body
what are tissues organised into
organs
what is an organ
a group of different tissues that work together to perform a particular function
what are organs organised into
organ systems
what is an organ system
a group of working enzymes working together to perform a particular function
name and explain 5 organs in the digestive system
glands - produce digestive juices
stomach and small intestine - digest food
liver - produces bile
small intestine - absorbs soluble food molecules
large intestine - absorbs water from undigested food leaving faeces
what do organ systems work together to make
entire organisms
