level of organisation and cell structure

what is the first level of organisation

organelles- structure inside the cells (mitochondria)

what is the second level of organisation

cells- basic unit of life (muscle cell)

what is the third level of organisation

tissue- similar cells that work together (muscle tissue)

what I the fourth level of organisation

organ- made up of similar tissues working together. (heart)

what is the fifth level of organisation

organ-system group of organs working together. (digestive system)

what is the function of a nucleus

contains the DNA

what is the function of a cytoplasm

a liquid where all chemical reactions take place

what is the function of a cell wall

protects the cell

what is the function of a cell membrane

controls what comes in and out of the cell

what is the function of mitochondria

where aerobic respiration takes place

what is the function for chloroplast

where photosynthesis takes place

what is the function of ribosomes

where protein synthesis takes place

what is the function of vacuole

maintains turgor pressure that keeps the cell its shape