Structural Organization of the Human Body

Question 1

The least complex level; composed of atoms, the smallest stable units of matter arranged to form molecules and compounds.

Answer 1

Chemical level

Question 2

Interactions between molecules and compounds form the organelles of cells.

Answer 2

Cellular Level

Question 3

Specialized groups of cells and cell products that work together to perform one or more specific functions.

Answer 3

Tissue Level

Question 4

Consists of two or more tissues working in combination to perform several functions.

Answer 4

Organ Level

Question 5

Organs interact to form organ systems.

Answer 5

Organ System Level

Question 6

A living being that has a cellular structure and that can independently perform all physiologic functions necessary for life.

Answer 6

Organismal Level