Chapter 7 - Circulatory System Flashcards
1
Q
What is BP?
Define systolic and diastolic BP and pulse pressure
A
Blood pressure is the force on inner walls of vessels
Systolic: Max arterial pressure when ventricle contracts (arterial system)
Diastolic: Max arterial pressure when ventricle relaxes (venous system)
Pulse pressure = systolic - diastolic (difference)
2
Q
Define blood flow from heart to lungs
A
right atrium → right ventricle → lungs → left atrium → left ventricle → aorta
3
Q
Define the role of an agonist and an antagonist
A
Agonist: activates
Antagonist: blocks