Cardiovascular
Respiratory
Gastrointestinal
Nervous
Excretory
100

What is the function of the cardiovascular system?

to deliver oxygen and nutrients to many parts of the body; to allow excretion of waste through blood

100

This organ is the main site of gas exchange in the body

The lung

100
This muscular tube connects the throat to the stomach

The esophagus

100

These cells are the basic building blocks of the nervous system

Neurons

100

This pair of organs filters waste from the blood to the urine

Kidneys

200

A type of blood vessel, these carry blood away from the heart

Arteries

200

This muscle contracts and flattens during inhalation, increasing the size of the thoracic cavity

The diaphragm

200

The stomach secretes this acid to aid in digestion

Hydrochloric acid

200

This part of the nervous system includes the brain and spinal cord (hint: CNS)

Central nervous system

200

This functional unit of the kidney filters blood and forms urine

Nephron

300

These delicate blood vessels facilitate gas exchange with tissues or organs.

Capillaries 

300

This is the tiny air sac in which oxygen and carbon dioxide exchange occurs

Alveolus

300

This is the primary organ in which nutrient absorption occurs

The small intestine

300

This system controls involuntary actions such as heartbeat and digestion (hint: ANS)

Automatic nervous system

300

The excretory system works closely with this system to maintain blood pressure

Cardiovascular system

400

What is the name of the valve separating the right atrium and right ventricle?

Tricuspid valve

400

The voice box, located at the top of the trachea, is also known by this term

The larynx

400

This structure, attached to the cecum, is thought to have no significant function in digestion.

The appendix

400

This disorder, characterized by memory loss and cognitive decline, commonly affects older adults

Alzheimer’s

400

This painful condition is caused by solid deposits forming in the kidneys

Kidney stones

500

In what direction does blood flow through the heart, starting at the myocardial electrical impulse? (right atrium—> left ventricle, or left atrium—> right ventricle)

Right atrium—> left ventricle


Right atrium—>right ventricle—>lungs—>left atrium—>left ventricle—>arteries—>body

500

This flap of cartilage prevents food and liquids from entering the airway during swallowing

The epiglottis

500

This condition occurs when stomach acid flows backward into the esophagus

Acid reflux (or GERD)

500
This part of the ear converts sound waves into electrical signals for the brain

Cochlea

500

This hormone regulates water reabsorption in the kidneys by controlling the permeability of the nephron’s collecting ducts.

Antidiuretic hormone (ADH)