Human Body Flashcards
1
Q
What are the levels of organization?
A
Atoms Molucules Cells Tissues Organs Body system Organisms Population Community and ecosystems Landscape Biosphere
2
Q
What is an atom?
A
It is the smallests unit of an element composed of electrons, protons, and neutrons.
3
Q
What is a molecule?
A
The union of two or more atoms of the same or different elements.
4
Q
What is a cell?
A
The structural and functional unit of all living things.
5
Q
What is a tissue?
A
A group of cells with a common structure and function.
6
Q
What is an organ?
A
It is composed of tissues functioning together for a spesific task.
7
Q
What is an organ system?
A
It is composed of several organs working together.
8
Q
What is an organism?
A
An individual, complex individuas contain organ systems.
