What is the main function of the respiratory system?

The trachea is also known as the:

Which structure prevents food from entering the windpipe during swallowing?

Which gas is primarily expelled by humans during exhalation?

The diaphragm’s main role in the human body is to:

Which part of the respiratory system contains the vocal cords?

The small air sacs in the lungs are called:

Which organ is part of both the digestive and respiratory systems?

Which structure is considered the main organ of digestion?

Digestion begins at which site in the human body?

Which salivary enzyme initiates the chemical breakdown of starch during digestion?

Which structure is the muscular tube that carries food from the throat to the stomach?

What is the primary function of the large intestine in digestion?

Which substance is produced by the liver to aid in digestion?

DoK 1—Recall: The pancreas helps digest food by producing which of the following?

DoK 2—Skill/Concept: Identify the organ whose primary role in the biliary system is storage rather than production of bile.

DoK 3—Strategic Thinking: A pathology report notes blunted finger‑like projections in the small intestine, leading to reduced nutrient absorption. Which structure is most directly affected?

What is the primary function of the digestive system?

Which organ connects the mouth to the stomach?

Which of the following is NOT part of the digestive system?

Which structure acts as a flap of tissue that closes during swallowing to prevent food from entering the airway?

Identify the part of the digestive tract where the majority of nutrient absorption occurs.

In respiratory physiology, what is the term for the process of moving air into and out of the lungs (inhaling and exhaling)?

Which brain structure is primarily responsible for the automatic control of breathing rate and rhythm?

A patient inhales air; which organ is specialized to absorb oxygen from that air into the bloodstream?

Air travels from the trachea into the lungs through which conducting structure?

Recall: Where does the breakdown of fats begin in the human digestive system? Choose one option.

Recall: Which organ filters blood coming from the digestive tract before it enters the general circulation? Choose one option.

Strategic thinking: A patient has a blocked common bile duct, reducing bile flow into the small intestine. Based on normal physiology, which immediate effect on fat processing is most likely?