body systems stuff Flashcards
blood flow
right atrium - tricuspid valve - right ventricle - pulmonary artery - lungs - pulmonary vein - left atrium - bicuspid valve - left ventricle - aorta - body
hearts electrical pulse flow
sinoatrial node (pacemaker) - atrioventricular node - atrioventricular bundle (bundle of his) - bundle branches (left and right) - purkinje fibers
coronary artery
brings blood to heart
aorta
blood to body
pulmonary artery
blood to lungs
carotid artery
blood to brain
femoral artery
blood to legs
brachial artery
inside arm
radial artery
wrist
posterior tibial artery
back of inside leg
dorsalis pedis
top of inner foot
blood flow arteries to veins
arteries to arterioles to capillaries to venules to veins
systolic vs diastolic pressure
sys is when left ventricle contracts
dia is when left ventricle refills
integumentary system (skin)
epidermis, dermis, subcutaneous
respiratory dysfunction
- controlled by medulla oblongata
- affected by infection, drugs, toxins, trauma
- disruption of pressure if wall of thorax is compromised or air or blood accumulates in chest (pleural space)
- disruption of lung tissue if trauma or medical problems compromise alveoli or hypoxia (low oxygen levels) or hypercapnia (high carbon dioxide levels)