17 Questions
What is the main function of the heart?
To pump blood to both the lungs and body cells.
Which chamber of the heart receives oxygen-poor blood from the body?
Right atrium
Where does oxygenated blood from the lungs enter the heart?
Left atrium
Which statement about blood oxygen levels affecting its color is true?
The amount of oxygen in the blood does not affect its color.
What type of blood does the right side of the heart pump to the lungs?
Deoxygenated blood
From which side of the heart does oxygenated blood go to the organs of the body?
Left side
What is the color of blood that has lost its oxygen?
Dark red
What is the primary reason for breathing?
To produce energy for cells
During inhalation, what happens to the diaphragm?
It contracts, pulling down on the chest cavity
Which part of our body releases carbon dioxide into the bloodstream for removal?
Lungs
How does deep breathing affect stress levels?
Promotes relaxation and lowers stress levels
What is the average duration of a single breath?
4-6 seconds
What is the role of oxygen in cellular metabolism?
Aids in the breakdown of glucose
Which part of the body contracts during exhalation?
Diaphragm
What is the primary function of inhalation?
Supplying oxygen to cells
How does carbon dioxide leave our body?
Through exhalation
What happens when the diaphragm relaxes during breathing?
Pushes air out of lungs
Learn how the lungs function as the main organs for breathing and how they collaborate with the heart to ensure proper oxygen delivery to the body. Explore the intricate processes of respiration and the significance of these vital organs.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
