Skip to main content
Ch. 1 The Human Body: An Orientation
Marieb - Human Anatomy & Physiology 7th Edition
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091Not the one you use?Change textbook
Chapter 1, Problem 1

The correct sequence of levels forming the structural hierarchy is:
a. Organ, organ system, cellular, chemical, tissue, organismal
b. Chemical, cellular, tissue, organismal, organ, organ system
c. Chemical, cellular, tissue, organ, organ system, organismal
d. Organismal, organ system, organ, tissue, cellular, chemical

Verified step by step guidance
1
Step 1: Understand the concept of structural hierarchy in Anatomy & Physiology, which describes the organization of the human body from the simplest to the most complex level.
Step 2: Identify the correct order starting from the smallest unit, which is the chemical level (atoms and molecules), followed by the cellular level (cells, the basic unit of life).
Step 3: Next is the tissue level, where similar cells group together to perform a specific function.
Step 4: After tissues come organs, which are structures composed of different tissue types working together to perform particular tasks.
Step 5: Then, organ systems are formed by groups of organs that work closely to carry out complex functions, and finally, the organismal level represents the entire living being.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
1m
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Structural Hierarchy of Biological Organization

This concept refers to the ordered levels of complexity in living organisms, starting from the simplest chemical level to the complete organism. Understanding this hierarchy helps in grasping how smaller components combine to form larger, more complex structures.
Recommended video:
06:49
Biological Membranes

Chemical Level

The chemical level includes atoms and molecules, which are the basic building blocks of matter. These molecules combine to form cellular structures, making this the foundational level in the biological hierarchy.
Recommended video:
Guided course
02:22
Levels of Organization Example 1

Organismal Level

The organismal level represents the highest level of structural organization, where all organ systems function together to form a complete living being. Recognizing this level helps in understanding how various systems integrate to sustain life.
Recommended video:
Guided course
05:04
The Levels of Organization