Answer each questions using your own word!

1.What neurotransmitters are secreted by adrenergic and cholinergic fibers?
2.How does the pacemaker potential of the SA node differ from the resting membrane potential of a neuron? Why is this important in creating the heart rhyth?
3.Define cardiac output in words and with a simple formula?
4.Explain what is meant by positive and negative chronotropic and inotropic agents. Give two examples of each.
5.What forces favor capillary filtration? What forces favor reabsorption?