endocrine system
what does the hypothalamus do?
Sends out releasing and inhibiting hormones.
what substances causes and dissolves clots.
thrombin causes clots
plasmin dissolves clots
first wave, indicates atrial depolarization?
p-wave
tunica media
smooth muscle
pontine respiratory group
groups of neurons in the pons , play a role in switching between inspiration and expiration
what is diabetes
when the pancreas kicks out insulin to help
type 1- it down
type 2- glucose almost gone
Concerns in transfusion?
Match up as closely as possible try to avoid any matches where the antibodies present in the recipients plasma will attack the antigens on the donor's red blood cells.
what vessels feed the heart tissue?
coronary artersis
where does most its blood supply come from?
circle of willis
what are tonsils real name ?
palatine tonsils
what do adrenal glands do ?
adrenal medulla work with sympathetic division of ANS
EX : adrenal cortex: steroid hormone
Monocytes
largest wbc
cleans up mess
How can you tell the difference between the right and left ventricle?
left ventricle is thicker then the right side
what is starlings law?
the greater the stretch the greater the force of concentration.
where do t cells mature
thymus
regulates calcium levels in blood
largely by increasing the levels when they are too low.
secreted from 4 tiny glands on back of thyroid.
autocrine agents
influence same cell type from which it was secreted .
What are the risk factors pf the CVD
(Cardiovascular Disease)
smoking ,high "bad cholesterol" uncontrolled hypertension , physical inactivity ,obesity , uncontrolled diabetes
what is the atherosclerosis and risk factor?
smoking , lack of exercise ,obesity ,stress high blood pressure , diabetes and age heredity
what is anaerobic threshold?
highest level of exercise able to be performed w/o causing a significant change in blood ph.
Where do hormones come from and where do they go?
they a secreted into blood, travels to tissue ,specific effect.
eosinophils
acid loving
(release chem,that reduce inflammation)
what does the adrenal medulla do when there is a drop in ph where does the signal come from?
releases more epinephrine
signal come from medulla oblagonta
what do capillaries do, and how is blood flow regulated through them?
they are transition from ateral side of cardio vascular system to the Venous side.
peripheral chemo receptors?
sensitive to low levels of 02