Zusammenfassung der Ressource
The Circulatory
System
- Effects of training on the circulatory system
- Increased SV
- Lower H/R for any task
- Cardiac hypertrophy (strengthening of the heart)
- Bradycardia
- Increased levels of plasma
- Lower viscoctiy
- Greater oxygen extraction from blood
- Increased Atrio/Ventrical blood difference
- Components of the
ciculatory system
- Blood
- Contents: White blood cells, Red blood cellls, platelets
- White blood cells
- Fight infection and disease
- Platelets
- Cause clotting
- Red blood cells
- Carry oxygen
- Heart
- Cardiac output (Q)= Stroke
voulme (SV)*Heart rate (BPM)
- Blood vessels
- Veins
- Take blood back
to the heart
- Carry de-oxygenated
bllood
- Pulmonary vein is only
vein that carries
oxygenated blood (from
the lungs)
- Veins contain valves to stop
blod flowing backwards
- Arteries
- Take blood away
from the heart
- Carries
oxygenated blood
- Pulmonary artery is
only artery that carries
oxygenated blood (to
the lungs)