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The Cardiovascular System (Anatomy of the heart (including all chambers,…
The Cardiovascular System
structural and
functional differences between blood vessel types
arteries
elastic artery
muscular artery
arteriole
capillaries
veins
venules
veins
Anatomy of the heart (including all chambers, and valves)
superior vena cava
inferior vena cava
left subclavian artery
left common carotid artery
aortic arch
pulmonary trunk
ascending aorta
apex
right atrium
left atrium
bicuspid valve
tricuspid valve
right ventricle
left ventricle
chordae tendinae
papillary muscle
interventricular septum
trabeculae carneae
Layers of the
heart
pericardium
double-walled outside the wall
fibrous pericardium
loosely fitting superficial part
serous pericardium
deep in fibrous pericardium
visceral layer AKA epicardium
epicardium
visceral layer; fat; superficial area
myocardium
middle layer; muscle heart;
blood flow through the heart and body
superior vena cavae & inferior vena cavae
right atrium
tricuspid valve
right ventricle
pulmonary semilunar valve
pulmonary arteries
lungs
pulmonary veins
heart
left atrium
bicuspid
left ventricle
aortic semilunar valve
aorta
O2 blood goes to entire body
Major arteries and veins of the body
arteries
fibular artery
common iliac artery
ascending aorta
subclavian artery
brachiocephalic trunk
axillary artery
thoracic aorta
common carotid artery
aortic arch
radial artery
anterior tibial artery
ulnar artery
abdominal aorta
brachial artery
femoral artery
veins
ulnar veins
inferior vena cava
subclavian vein
common iliac vein
superior vena cava
brachiocephalic vein
external jugular vein
external iliac vein
radial veins
great saphenous vein
brachial vein
basilic vein
axillary vein
cephalic vein
internal jugular vein
femoral vein
internal iliac vein
Major functions of the
cardiovascular system
transport
O2, nutrients, gasses
regulate
maintain body temperature, maintain pH
protect
prevent blood loss, prevent infection
intrinsic factors
control is within tissue or organ
uses paracrines or properties of muscle tissue
known as autoregulation
controls blood flow from within
Cardiac cycle and the ECG
1) Isovolumic relaxation
2) Ventricular filling
3) Atrial contraction
4) isovolumetric contraction
5) ventricular contraction
6) ventricular ejection
disorders of the cardiovascular system
peripheral artery disease (PAD)
legs get dark and almost rotten
causes are limb trauma, smoking, obesity,
symptoms= leg/arm pain, skin color change
cures= arterial angioplasty
myocardial infarction
blood flow to heart blocked
blood clot; plaque in coronary arteries
chest pain, dizziness, sweating
nitroglycerin
cerebrovascular accident stroke
blood clots on brain make seizure
blood clot in artery to brain, aneurysm, diabetes
severe headache, memory loss, confusion
blood thinners
endocarditis and myocarditis
inflammation of heart
virus, bacterial
symptoms= heart palpitation, chest pain
antibiotics
congenital heart disease
issue with heart structure
hereditary, pulmonary stenosis
dependent on condition
medication