Podcast
Questions and Answers
What is the purpose of an artificial pacemaker?
What is the purpose of an artificial pacemaker?
To keep the heartbeat regular
Which chamber of the heart pumps deoxygenated blood to the lungs?
Which chamber of the heart pumps deoxygenated blood to the lungs?
Right ventricle
Which blood vessel carries oxygenated blood away from the heart to the body?
Which blood vessel carries oxygenated blood away from the heart to the body?
Aorta
What is the role of the lungs in the circulatory system?
What is the role of the lungs in the circulatory system?
Signup and view all the answers
What is the function of the pacemaker cells in the heart?
What is the function of the pacemaker cells in the heart?
Signup and view all the answers
Why are strong acids more reactive than weak acids?
Why are strong acids more reactive than weak acids?
Signup and view all the answers
What is the purpose of the muscle tissue in the heart walls?
What is the purpose of the muscle tissue in the heart walls?
Signup and view all the answers
Explain how an artificial pacemaker works in regulating the heartbeat.
Explain how an artificial pacemaker works in regulating the heartbeat.
Signup and view all the answers
What happens when there is an imbalance between undissociated and dissociated acids?
What happens when there is an imbalance between undissociated and dissociated acids?
Signup and view all the answers
What were Rutherford and Marsden trying to investigate in their alpha particle scattering experiments?
What were Rutherford and Marsden trying to investigate in their alpha particle scattering experiments?
Signup and view all the answers
Why were the alpha particles expected to either pass through or be slightly deflected in the gold foil according to the plum pudding model?
Why were the alpha particles expected to either pass through or be slightly deflected in the gold foil according to the plum pudding model?
Signup and view all the answers
Describe the unexpected results that Rutherford and Marsden observed in their alpha particle scattering experiments.
Describe the unexpected results that Rutherford and Marsden observed in their alpha particle scattering experiments.
Signup and view all the answers
How did the unexpected results of the alpha particle scattering experiments challenge the plum pudding model of the atom?
How did the unexpected results of the alpha particle scattering experiments challenge the plum pudding model of the atom?
Signup and view all the answers
Explain the significance of Rutherford and Marsden's alpha particle scattering experiments in the history of atomic theory.
Explain the significance of Rutherford and Marsden's alpha particle scattering experiments in the history of atomic theory.
Signup and view all the answers
