Question 1 2/2pts
Which body system supplies cells with oxygen and nutrients and carries away waste?
Respiratory systen
D * Circulatory System
(Other system do one of the above, but only the circulatory system carries out all
functions listed above)
Question 1
2 /2 pts
The circulatory system is response for which of the following functions?
Supply cells with oxygen
Transportation of gases
Rid cells of waste
Prevents loss of blood
All the above
Question 2
2/ 2 pts
The heart is contained in the cavity.
Pericardial
Pleural
Septal
Rectoperineal
, Question 2 2/2pts
The pericardial cavity contains in the:
Lungs
Heart
Descending aorta
Circle of Willis
Question 3
2/2pts
Which layer of heart anchors it to the diaphragm?
Endocardium
Mediastinal
Myocardium
Pericardium
Question 3 2/2pts
| Which layer of heart is composed of the contractile cardiac muscle?
EEE * Myocardium
, Question 4 4/4pts
What is the purpose of the fossa ovalis in a fetus?
The fossa ovalis marks the place of an opening between the atria which is
present in all developing fetuses. It allows fetal blood to move directly from
right to left atrium, bypassing he undeveloped lungs. The fossa ovalis closes
during birth so that the lungs can receive oxygen once the baby is born.
Question 4
4 /4 pts
What is the purpose of the mitral valve?
The mitral valve controls the flow of blood from the left atrium into the left
ventricle.
, Question 5
Label the figure below (£
A
B (i blue)
[
o;
e
A: Aorta
B: Right Ventricle
C: Mitral/ Bicuspid/Left AV Valve
D: Left Atrium
E: Pulmanary Try