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Cell membrane ✔✔ thin, flexible barrier around a cell; regulates what enters and leaves the cell
Cell ✔✔ basic unit of all living things
Mitochondrion ✔✔ bean shaped organelle that releases energy from stored food molecules
which supplies energy for the cell
Ribosome ✔✔ an organelle that is resposible for making proteins.
Endoplasmic reticulum ✔✔ a cell structure that forms a maze of passageways in which proteins
and other materials are carried from one part of the cell to another.
Golgi body ✔✔ A structure in a cell that receives proteins and other newly formed materials
from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell.
Tissue ✔✔ group of similar cells that perform a particular function
Organ ✔✔ a collection of tissues that carry out a specialized function of the body
Organ system ✔✔ group of organs that work together to perform a specific function
Organism ✔✔ Any living thing