Respiratory System Part 2 Quiz

Respiratory System Part 2 Quiz dives into the intriguing world of how we breathe and live. One fun fact is that the average person breathes in about 11,000 liters of air every day, enough to fill a large living room! This constant flow of air powers life through a complex network involving your lungs, blood, and brain. The quiz blends human respiratory system trivia with essential respiration questions, focusing on how oxygen gets transported in blood and the mechanics behind exhalation. It offers a lively introduction to serious science, making learning about breathing effortless and engaging. Experience how fascinating your respiratory system really is, backing it up with trivia that brings the topic to life.

Respiratory System Part 2

During inhalation, the diaphragm contracts and moves:

Upwards, decreasing chest cavity volume

Upwards, increasing chest cavity volume

Downwards, increasing chest cavity volume.

Downwards, decreasing chest cavity volume

What is the role of the intercostal muscles during inhalation?

They contract and pull the ribcage upwards and outwards

They contract and pull the ribcage downwards

They have no role in normal breathing

They relax to decrease the chest cavity volume

What is the process of moving oxygen from the alveoli into the blood, and carbon dioxide from the blood into the alveoli, called?

Cellular respiration

Ventilation

Diffusion

Gas exchange

Which component of the blood is responsible for carrying the majority of the oxygen?

Plasma

Red blood cells

Platelets

White blood cells

What is the process of normal, quiet exhalation primarily a result of?

The contraction of the intercostal muscles

The contraction of the diaphragm

The contraction of the abdominal muscles

The relaxation of the diaphragm and intercostal muscles

Which part of the brain controls the rate and depth of breathing?

Medulla oblongata

Hypothalamus

Cerebrum

Cerebellum

What is the division of the trachea into two tubes called?

Bronchioles

Larynx

Bronchi

Pharynx

What is the role of cartilage rings in the trachea?

To keep the airway open

To exchange gases with the blood

To filter dust and particles

To produce mucus

What happens to the pressure inside your lungs when you exhale?

Lower than atmospheric pressure

Unrelated to atmospheric pressure

Equal to atmospheric pressure

Higher than atmospheric pressure

The primary stimulus for breathing is the concentration of:

Nitrogen in the blood

Carbon dioxide and hydrogen ions

Oxygen in the blood

Sugar in the blood.

Your score is

The average score is 100%

Sample Questions from This Quiz

What is the role of the intercostal muscles during inhalation?
What is the process of moving oxygen from the alveoli into the blood, and carbon dioxide from the blood into the alveoli, called?
Which component of the blood is responsible for carrying the majority of the oxygen?
What is the process of normal, quiet exhalation primarily a result of?
Which part of the brain controls the rate and depth of breathing?

Try the full quiz and see how many of these you can answer!