Heavy Breathing | Hemoglobin | Straight to the Heart | The blood flows like wine | Slide into your sarcomeres |
---|---|---|---|---|
Dead Space
Air which is inhaled but does not engage in alveolar gas exchange goes here
|
Iron
What dietary mineral is particularly important for functioning hemoglobin?
|
100 beats / minute
Without any external contribution, what would the heart rate be?
|
Arterioles
What blood vessels provide the greatest control of blood pressure?
|
Isotonic
What type of muscle contraction involves a constant external resistance?
|
(Functional) Vital Capacity
The total volume of air with maximal inhalation and exhalation
|
4
How many oxygen molecules can a single hemoglobin bind?
|
Ejection Fraction
What volume is often used to help diagnose heart failure?
|
5-10%
About what percentage of blood goes to the internal organs during strenuous exercise?
|
Type I
What type of muscle fiber has the highest oxidative capacity?
|
CO2
The primary driver of increase in ventilation with exercise
|
Lungs/pulmonary capillaries
Where does H+ dissociate from hemoglobin to form carbonic acid?
|
Purkinje Fibers
What structure delivers the electrical impulse to the ventricles?
|
Plasma
What portion of blood is responsible for the change in volume with exercise?
|
Sarcoplasmic reticulum
Where does calcium come from to facilitate exposed actin?
|
Aortic arch and carotid
The main location(s) of peripheral chemoreceptors for ventilation regulation
|
Glycolysis
An enzyme from what metabolic process will decrease the hemoglobin affinity for O2?
|
L/min
What is the UNITS of cardiac output?
|
Frank-Starling Mechanism
What is the name of the mechanism by which end diastolic volume contributes to a larger stronger ventricular contraction?
|
Releases from actin
What does the myosin head do when ATP binds to it?
|
Increase
Breathing in pure oxygen will have what effect on PO2 in blood?
|
Hemoglobin
A decreased level of what molecule will impair oxygen carrying capability with intense aerobic exercise?
|
PR Interval
What is the EKG portion that occurs when blood flows into the ventricles?
|
NO/ Nitric oxide
What chemical/hormone do muscles indirectly upregulate to promote local vasodilation?
|
Active insufficiency
What is it called when the muscle exhibits suboptimal performed in an extremely shortened position?
|