Podcast
Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App
Questions and Answers
What is the approximate size of the human heart?
What is the approximate size of the human heart?
- The size of a closed fist (correct)
- The size of a watermelon
- The size of a tennis ball
- The size of a basketball
In humans, how many chambers is the heart divided into?
In humans, how many chambers is the heart divided into?
- Three chambers
- Two chambers
- Four chambers (correct)
- Five chambers
What prevents backflow of blood in a healthy heart?
What prevents backflow of blood in a healthy heart?
- Pericardium
- Myocardium
- Heart valves (correct)
- Pacemaker cells
What is the protective sac around the heart called?
What is the protective sac around the heart called?
Signup and view all the answers
Where is the sinoatrial node located?
Where is the sinoatrial node located?
Signup and view all the answers
What is the role of the heart in the circulatory system?
What is the role of the heart in the circulatory system?
Signup and view all the answers
What is the function of the pericardium?
What is the function of the pericardium?
Signup and view all the answers
What are the three layers that make up the wall of the heart?
What are the three layers that make up the wall of the heart?
Signup and view all the answers
What causes the asymmetric orientation of the heart in all vertebrates?
What causes the asymmetric orientation of the heart in all vertebrates?
Signup and view all the answers
What determines the rhythm of blood pumping by the heart?
What determines the rhythm of blood pumping by the heart?
Signup and view all the answers
Flashcards are hidden until you start studying
