Organization Levels Flashcards
1
Q
Cells
A
Basic unit of all living things; all tissues and organs in body are composed of cells; they perform survival functions such as reproduction, respiration, metabolism, and excretion.
2
Q
Tissues
A
Formed when cells of the same type are grouped to perform one activity. There are four types: nerve, muscle, epithelial, and connective.
3
Q
Organs
A
Group of different types of tissue coming together to perform special functions.
4
Q
Systems
A
Several organs working in a compatible manner to perform complex function or functions.
5
Q
Body
A
Sum of all cells, tissues, organs, and systems working together to sustain life.
