Levels of Organization
Organ Systems
Anatomical Position & Terms
Body Regions
Homeostasis
100

The most basic level of organization consisting of atoms and molecules.

Chemical Level

100

This system includes skin, hair, nails, and sweat glands.

The Integumentary System

100

The standard, universally agreed-upon reference posture of the human body

The anatomical position (Standing upright facing directly forward. Arms Hanging straight down at the sides, palms facing forward with thumbs pointing outward and feet parallel to one another, flat on the floor, with toes pointing forward.)

100

Anatomical term for the armpit

Axillary

100

What is the primary purpose of homeostasis

To maintain a relatively stable and constant internal environment

200

The smallest independently functioning unit of life.

A Cell
200

This system provides support, protection, and blood cell production

The Skeletal System
200

The directional term meaning "toward the midline"

Medial

200

Antomical term for the kneecap region.

Patellar 

200

In a negative feedback loop, what is the role of the effector

To produce a response that returns the variable to the set point

300

Groups of similar cells working together for a common function.

Tissues

300

This system controls immediate responses to stimuli.

The Nervous System

300

The wrist is this relative to the elbow.

Distal 

300

A clincian informs you that you need to have your appendix removed. Where on the body would you expect the pain to be?

Right Lower Quadrant (RLQ)

300

Which two organ systems are primarily responsible for maintaining homeostasis in the human body

The nervous and endocrine systems control communication and regulation throughout the body.

400

Structures composed of two or more tissue types.

Organs

400

This system transports oxygen, nutrients, and wastes.

The Cardiovascular System

400

The skeleton is ______ to the skin.

Deep

400

The region surrounding the navel.

The Umbilical Region

400

Sweating when body temperature rises is an example of__________.

Negative Feedback 

500

The highest level of organization representing all body systems working together.

Organism 

500

This system produces hormones that regulate metabolism and growth

The Endocrine System

500

The plane that divides the body into right and left portions.


Sagittal plane ( Mid sagittal = two equal, symmetrical left and right halves)

500

A patient is experiencing sharp or cramping pain under their ribs in the right upper quadrant, especially after eating fatty or heavy meals. What organ would you expect to be causing the pain?

Gallbladder

500

Blood clotting and labor contractions are examples of this.

Positive Feedback