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Cells
Smallest unit of life.
Tissue
Group of similar cells.
Organ
Group of tissues working together.
Organ system
Group of organs that work together.
Organism
A complete living thing.
Cell Theory
All living things are made of cells.
Specialization of Cells
Cells are shaped to do specific jobs.
Nerve cells
Cells that send signals.
Muscle cells
Cells that help with movement.
Blood cells
Cells that carry oxygen.
Organelles
Parts of a cell.
Mitochondria
Powerhouse of the cell.
Vacuoles
Storage for food and waste.
Cytoplasm
Filling inside cells.
Function of Organelles
Work together to keep cells alive.
Nucleus
Control center of the cell.
Cell membrane
Outer barrier of the cell.
Interconnected Body Systems
Body systems work together.
Single Cells
One cell doing all functions.
Multiple Cells
Many cells doing different jobs.
Cell House Analogy
Comparing cell parts to a house.
Nucleus (analogy)
Cell’s control center (Parents).
Mitochondria (analogy)
Energy producer (Fireplace).
Cytoplasm (analogy)
Filling of the cell (Rooms).
Vacuole (analogy)
Storage space (Pantry).
Ribosomes (analogy)
Protein maker (Oven).
Rough ER (analogy)
Protein processor (Kitchen).
Smooth ER (analogy)
Fat maker (Dessert).
Golgi apparatus (analogy)
Delivery system (Family car).
Lysosome (analogy)
Waste remover.
Chloroplast (analogy)
Energy converter (Solar panels).
Cell wall (analogy)
Extra protection (Security).
