The basic unit of life. Examples: Blood cell Nerve cell Muscle cell
Group of cells working together. Examples: Connective tissue Epithelial tissue Muscle tissue Nerve tissue
Group of tissues working together. Examples: Heart Brain Bicep
Group of organs working together. Examples: Circulatory System Nervous System Muscular System
Any living thing made of a series of organ systems. Examples: Mammals Amphibians Reptiles Largest Organism video: AA-SrrFUQ
Video: Video: Video: Cells to Systems viour_health/cells_systems/activity/