@PROFDOCDIGITALLIBRARIES
APHY 102 Heart Ivy Tech-with 100% verified solutions-
2024-2025
Complete Guide A+ || Latest Update
What is known as the movement of blood from the right ventricle to both lungs back to the left
atrium, and functions to allow gas exchange?
pulmonary circuit
What is known as the movement of blood from left ventricle to ALL body tissues and back to right
atrium, and functions to supply nutrients to body cells and pick up wastes?
PR
systemic circuit
What part of the heart is tilted, pointing to the left?
O
apex
FD
If you were to stick a pin through the outside of the heart what layers would you go through?
fibrous pericardium, parietal pericardium, pericardial cavity, epicardium (visceral pericardium),
myocardium, endocardium
O
?
cardiac muscle tissue
C
What two things are unique to cardiac cell structure inside intercalated discs?
desmosomes and gap junctions
What prevents muscle cells from ripping apart?
desmosomes
What is for electrical coupling of cardiac muscle cells?
gap junctions
, @PROFDOCDIGITALLIBRARIES
What chambers are very small, thin, and wrinkled?
atria
What chambers are larger and more muscular?
ventricles
What three blood vessels empty into the RA?
superior vena cava, inferior vena cava, coronary sinus
What takes blood out of the LV?
aorta
PR
What takes blood out of the RV?
pulmonary trunk
O
What nourishes the myocardium?
FD
coronary arteries
What collects blood from the myocardium (wastes)?
O
coronary sinus
C
What separates the atria?
interatrial septum
What separates the ventricles?
interventricular septum
What chamber has the thickest wall (2-3x bigger)? Why?
LV, it has to pump blood out of heart to entire body
APHY 102 Heart Ivy Tech-with 100% verified solutions-
2024-2025
Complete Guide A+ || Latest Update
What is known as the movement of blood from the right ventricle to both lungs back to the left
atrium, and functions to allow gas exchange?
pulmonary circuit
What is known as the movement of blood from left ventricle to ALL body tissues and back to right
atrium, and functions to supply nutrients to body cells and pick up wastes?
PR
systemic circuit
What part of the heart is tilted, pointing to the left?
O
apex
FD
If you were to stick a pin through the outside of the heart what layers would you go through?
fibrous pericardium, parietal pericardium, pericardial cavity, epicardium (visceral pericardium),
myocardium, endocardium
O
?
cardiac muscle tissue
C
What two things are unique to cardiac cell structure inside intercalated discs?
desmosomes and gap junctions
What prevents muscle cells from ripping apart?
desmosomes
What is for electrical coupling of cardiac muscle cells?
gap junctions
, @PROFDOCDIGITALLIBRARIES
What chambers are very small, thin, and wrinkled?
atria
What chambers are larger and more muscular?
ventricles
What three blood vessels empty into the RA?
superior vena cava, inferior vena cava, coronary sinus
What takes blood out of the LV?
aorta
PR
What takes blood out of the RV?
pulmonary trunk
O
What nourishes the myocardium?
FD
coronary arteries
What collects blood from the myocardium (wastes)?
O
coronary sinus
C
What separates the atria?
interatrial septum
What separates the ventricles?
interventricular septum
What chamber has the thickest wall (2-3x bigger)? Why?
LV, it has to pump blood out of heart to entire body
