Skeletal System
This is the longest bone in the human body.
What is the femur?
The process of breaking food into small molecules is called this.
What is digestion?
The lungs exchange oxygen and this waste gas between the air and your bloodstream.
What is carbon dioxide?
Tiny cells which send signals to the brain. They are also known as nerve cells.
What are neurons?
This large artery carries blood from the heart’s left ventricle to the body.
What is the aorta?
The skeletal system has this many bones in adulthood.
What is 206?
This organ produces bile to aid in the digestion of fats.
What is the liver?
The study of lung diseases is known by this term.
What is pulmonology?
The two main divisions of the nervous system are these.
What are the central nervous system (CNS) and the peripheral nervous system (PNS)?
These are the four chambers of the heart.
What are the left atrium, right atrium, left ventricle, and right ventricle?
The area of the body with the most bones is this.
What are the hands, fingers, and wrists?
Food travels down this tube to reach the stomach.
What is the esophagus?
This disease causes your airways to narrow, making it difficult to breathe during an attack.
What is asthma?
Bundles of fibers found throughout the body that sends electrical impulses to and from the brain to the other body structures.
What are nerves?
Red blood cells contain this protein, which gives them their color and carries oxygen.
What is hemoglobin?
This disease makes bones more fragile and prone to fractures.
What is osteoporosis?
The stomach protects itself from acid with this thick coating.
What is mucus?
The left lung is slightly smaller than the right lung to accommodate this organ.
What is the heart?
The brain has approximately this many neurons.
What is 100 billion?
The machine measuring the heart’s electrical activity is abbreviated as this.
What is ECG (electrocardiogram)?
What is the smallest bone in the human body?
What is the staples or stirrup bone? (located in the middle ear)
The wave-like motion that pushes food down the esophagus is known as this.
What is peristalsis?
On average, a person breathes in this many liters of air per day.
What is 11,000 liters?
These neurons send signals from the CNS to muscles or glands.
What are motor neurons?
Blood pressure is measured in this unit.
What is mmHg (millimeters of mercury)?