Name the three major parts of a cell and their functions

The three major parts of a cell are Plasma Membrane, Cytoplasm, Nucleus

Plasma membrane is the cell's flexible outer surface

Cytoplasm is all cell's components between plasma and nucleus; cytosol and organelles

Nucleus is the large organelle; DNA inside (aka the brain of the cell)

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the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]