HLTC22H3 Lecture Notes - Lecture 4: Smallpox, Urethra, Ureter
Document Summary
Carry oxygen and nutrients; removes co2 and wastes. Which body systems do similar things? (might be asked) More blood heart pumps, narrow arteries = high bp normal 120/80. Hard to id; not much symptoms or can be related to other conditions. Dull headaches, dizzy spells, nosebleeds; only happen when really severe stage. Narrow and stiffen of arteries due to fatty deposits in it restricts blood flow. Extremities - usually legs } don"t get enough blood. Sign for more widespread accumulation of fat deposits. Common of all disorders in all age groups. Used to be more common among men; now more women. Leading cause of death among older adults and younger children. Cpr = cardio pulmonary resuscitation ; 30 pumps, Issue: if detected early enough, treatable; young men don"t. Function: distinguish self and non-self to protect from pathogens and kill them. Trillions of antibodies that stick to specific pathogens. Polio virus: toxin destroying nerve cells leading to paralysis.
