Heart
Where does deoxygenated blood enters the heart?
Right atrium
How many oxygen molecules will bind to one hemoglobin protein?
4
Which muscles contract during inhalation?
External intercostals and diaphragm
A blockage in this vessel would prevent blood from the upper body from returning to the heart
Superior vena cava
What causes the first heart sound?
Closing of AV valves
Where can the thickest muscle in the heart be found?
Left Ventricle
What is the liquid portion of blood?
plasma
Which body part did Vincent Van Gogh famously (infamously?) cut off?
His ear
Name the effect that lowers oxygen affinity in areas with high CO2 concentrations.
Bohr effect
A blockage in this vessel would prevent oxygenation of the blood
Pulmonary artery
What are the connections between cardiac muscle cells called?
Intercalated discs
What does the letter F stand for in President JFK?
Fitzgerald
What explains the sigmoidal shape of the oxygen dissociation curve?
Cooperative binding
Which infamous prison was stormed on July 14th, 1789?
Bastille
What is the natural pacemaker of the heart?
Sinoatrial node
What is the world's largest rodent?
Capybera
In which vessels is the lowest blood pressure found?
Capillaries
Which of the oxygen binding molecules has the highest oxygen affinity?
Myoglobin
Name one way organisms maintain concentration gradients at gas exchange surfaces.
Dense network of blood vessels, continuous blood flow, ventilation
What is the only sport that has been played on the moon?
Golf
What are the tendons that connect the valves to the cardiac muscle to prevent backflow muscles?
chordae tendinea
The build up of plaque in the arteries can lead to what condition?
Atherosclerosis
Name 2 features of effective gas exchange surfaces.
Surface area, permeability, thin, moist, concentration gradient
Name the tool that is used to measure lung volume.
Spirometer
The AV node is connected to the Purkinje fibers through what group of nerves?
Bundle of His