CH 20 Vessels part 1 Flashcards
Function of calcium blockers?
Decrease heart contraction force
Effects of calcium blockers?
- Slow HR
2. Lower blood pressure
What do veins have to deal with?
Gravity
What do arteries have to deal with?
Pressure
Where does O2 in an artery go to?
Tissues
What does O2 bind with to make ATP?
Glucose
What does ATP produce
- CO2
2. Heat
Where does CO2 in a capillary go to?
Veins
Will every capillary have blood in it?
No
Sphincters are which type of muscle?
Smooth muscle
When sitting down are the sphincters in your legs open or blocked?
Blocked
When walking are the sphincters in your legs open or blocked?
Open
What determines is a sphincter is open or closed?
Is the tissue being used on not determines the sphincters status
What gas do arteries carry?
O2
What gas do veins carry?
CO2