The Endocrine System
The Heart
Blood
Blood vessels
100
What gland is the hypothalamus in close connection with?
Pituitary gland
100
Name the muscle tissue of the heart
Myocardium
100
What is the technical name of a red blood cell
erythrocytes
100
Do arteries have thicker walls than veins
Yes this is because their pumping blood aggressively
200
What does thyrotropin-releasing hormone cause the pituitary to secrete?
Thyroid stimulating hormone.
200
what does it mean for the atria to be in diastole
the atria are in the relaxation phase
200
Most abundant leukocyte in the body
Neutrophil
200
The largest artery in the body
Aorta
300
If the blood calcium levels in the body are rising what hormone is released to combat this?
Calcitonin
300
T wave represents what on an ECG
the repolarization of the ventricles
300
What antigens does a person with O blood carry
No antigens at all it is the universal donor
300
What vein runs behind the knee that is super important
popliteal vein
400
What dies Luteinizing hormone effect in males
The production of testosterone
400
What does the P-R interval represent
Essentially the Atria are in systole and the electrical conductivity time it takes to travel from SA to AV node
400
Name this leukocyte 
Lymphocyte
400
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brachiocephalic artery (trunk)
500
What type of cell on the pancreas secretes somatostatin?
Delta cells
500
Where is the first heart sound heard and why?
The first heart sound is in the isovolumetric contraction phase because the AV valves close
500
What is happening at the Q-T interval
Action potentials are being fired for the ventricles
500
what portal system do most abdominal organs deliver blood to for a second set of capillaries essentially for cleaning
hepatic portal system