Levels of Structural Organization
Different cells working together is what level of organization?
Tissue
I send signals from the brain to muscles and glands that control their functions.
I am nervous tissue.
Moves bones
Causes heart to beat
Moves food through digestive system
Muscular system
I contain dendrites.
I am a nerve cell!
Different tissues working together is what level of organization?
Organ
I am responsible for your body's movement! I pull and tug on bones and tendons to produce motion.
I am muscle tissue.
Supports the body
Protects organs
Allows movement
Makes blood cells
Skeletal system
Different organs working together is what level of organization?
Organ systems
I am connective tissue.
Removes liquid wastes
Excretory system
Different organ systems working together is what level of organization?
Organism
I cover the interior of hollow organs, like blood vessels or digestive organs.
I am epithelial tissue.
Controls body movement
Coordinates communication between brain and environment
Nervous system
What is the smallest building block of life?
Cell!
Name four example of the skeletal system
Bones
Nerves
Cartilage
Ligaments
Tendons
I have no nucleus and can easily change shape.
I am a red blood cell.