Functions of cell organelles are
(i) Mitochondria : It performs the function of respiration and produces energy.
(ii) Endoplasmic-reticulum : It is a network of membrane, it provides large surface area for life function to take place.
(iii) Chloroplasts : These are green in colour, contain green pigment chlorophyll which help in manufacturing of food in plants.
(iv) Golgi complex : These collect and distribute materials made in the cell.
(v) Centrioles and centrosome : It helps in cell division in animal cells.
(vi) Ribosomes : They help in protein synthesis.
(vii) Vacuoles : They are used for storage of waste material.