Answer:
1. Sympathetic input increases ventricular contractility, thereby increasing stroke volume.
2. Sympathetic input decreases conduction time within the heart, decreasing the delay between atrial and ventricular contractions.
3. Sympathetic input increases the speed of ventricular contraction.
You're correct because when birds hit their max altitude it's harder to breathe and to minimize the time of there flight they store immense amounts of oxygen in their lungs.
A. True ! Energy can be lost, but not created nor destroyed.
Global Warming is considered a man man treat because of the overuse of electricity and water that end up back into the ocean.
Ionic Bonds <span>transfers electrons</span>
