Cardiovascular SystemChapter 11
Stations Activity
• You will spend time completing each station. Follow instructions provided on the station handouts.
• All recording of data or answers to questions goes in your notebook, to be checked later.
• There are 4 stations, numbered 2-5 (There is no station 1)
• Rotate to the next station when instructed to do so
Anatomy of Heart• Follow along on your handout and label and write
notes accordingly
• Different parts of heart numbered 1-15
1) Aorta
• Originates from left ventricle
• Main artery in body
• Extends down to abdomen
1) Aorta• Carries oxygenated blood all over body
2) Superior Vena Cava
• Large diameter
• Delivers deoxygenated blood from upper body to right atrium
• What color is this depicted as?
2) Superior Vena Cava
3) Right Pulmonary Artery
• Delivers deoxygenated blood to right lung
3) Right Pulmonary Artery
4) Right Pulmonary Veins• Carries oxygenated blood from right lung to the
left atrium
Pulmonary Circuit
5) Right Atrium• Deoxygenated blood enters the heart here
6) Right Atrioventricular Valve (Tricuspid)• Prevents back flow from the ventricles
7) Right Ventricle• Pumps deoxygenated blood to lungs
8) Inferior Vena Cava• Large diameter• Carries deoxygenated blood from lower body to
right atrium
9) Left Pulmonary Artery• Delivers deoxygenated blood
to left lung
10) Left Pulmonary Veins• Carries oxygenated blood from left lung to the left
atrium
11) Left Atrium• Receives oxygenated blood from pulmonary veins
and pumps it into the left ventricle
12) Left Atrioventricular Valve (Bicuspid)• Prevents back flow from the ventricles
13) Semilunar valves• Opening of the aorta and pulmonary artery.• Prevent blood from flowing back into ventricles
14) Left Ventricle• Thickest of all chambers• Pumps oxygenated blood into aorta all over body
15) Descending aorta• Part of the aorta that descends to lower body• On left side of vertebral column
Septum• Dividing wall between the right and left side of
heart• Atrial and Ventricular
Chordae Tendineae• “Heart Strings”
• Cord-like tendons
• Attaches muscle in ventricles to the atrioventricular valves
Chordae Tendineae
Chordae Tendineae• Control valve movement