what do the nucleus cell, mitohondira cell, cell wall, chloroplast cell, cyptoplasm cell, and cell mabrane do?

mitochondria: where respiration occurs

cell wall: gives the cell structure and prevents it from bursting

chloroplast: contain chlorophyll which stores energy from the sun for photosynthesis

cytoplasm: where chemical reactions occur

cell membrane: controls what comes in and out of the cell.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.