Systems
Directional Terms
Senses
Organs
100

The master controlling and communicating system of the body leading to all thoughts, actions, and emotions

Nervous System

100

Meaning, toward the front

Anterior or Ventral

100

This part of the eye controls the amount of light entering the eye.

Iris

100

This organ, shaped like a J-shaped pouch, plays a crucial role in the initial breakdown of food and the production of gastric juices.

Stomach

200

This system, consisting of organs like the stomach, small intestine, and pancreas, breaks down food into nutrients for absorption and waste for elimination.

Digestive System

200

This refers to something that is on the inner side.

Medial

200

This sense, closely tied to memory and emotions, is processed by the olfactory bulb.

Smell

200

This pair of organs, responsible for the exchange of oxygen and carbon dioxide in the body, contains millions of tiny air sacs called alveoli.

Lungs

300

This system includes organs such as the ovaries and testes and is responsible for the production of gametes necessary for carrying genetic material.

Reproductive System

300
This means toward the back. 
Posterior or Dorsal
300

This includes the three tiny bones in the middle ear that are known as the malleus, incus, and stapes.

Ear Ossicles

300

This paired organ filters waste products from the blood, regulates electrolyte balance, and produces urine.

Kidneys
400

This system is responsible for the exchange of oxygen and carbon dioxide between the body and the environment.

Respiratory System

400

This term refers to something that is closer to the point of attachment of a limb.

Proximal

400

This sense is primarily detected by specialized receptors located on the tongue.

Taste

400

This organ is responsible for the final stages of digestion and the absorption of water from undigested food before elimination.

Large intestine

500

This system is responsible for filtering waste products from the blood and maintaining electrolyte balance.

Urinary System

500

This term refers to a structure being situated above another structure.

Superior

500

This membrane separates the outer ear from the middle ear and vibrates in response to sound waves.

Tympanic membrane or ear drum

500

This organ, vital for metabolism and detoxification, is the largest gland in the human body.

Liver