2- cells Flashcards
cell membrane
controls what goes in & out of the cell & it keeps the organelles inside the cell
cell wall
protects & supports the cell shape
cytoplasm
It is jelly like material, contains cell organelles.
Metabolic reactions take place in it
vacuoles
- In plants it is permanent, contains cell sap, it helps to keep the cell in shape as it presses outwards on the cell.
- In animals, it is small & temporary, it contains food or water.
nucleus
controls the cell activities & contains the genetic material [DNA]
chloroplast
Contains chlorophyll to absorb light to make food by
photosynthesis
chlorophyll
green pigment that traps light
mitochondria
Release energy by aerobic respiration, powerhouse of the cell
ribosomes
Found free in cytoplasm or attached on the endoplasmic
reticulum. They make protein
cells
basic functional and structural units in a living organism
tissues
group of cells of similar structure working together to preform specific functions
organs
group of tissues of the same structure working together to preform specific function
organ system
group of organs with related functions working together to preform body functions
ciliated cell
move mucus and bacteria trapped in trechea
nerve cell
carry electrical impulses
