As hemoglobin is being recycled, the heme group of hemoglobin is eventually converted into

Waste is removed from tissues at the __ end of the capillary; a process known as __.

What is the chronotropic effect of adrenaline binding to sympathetic receptors of the heart?

Which of the following have valves?

Oxygen-rich blood passes through these two valves

Figure 19.14 below shows an action potential of a ventricular cardiocyte. Which of the following indicates rapid depolarization when sodium channels are fully open.

___________ aid in the body’s defensive processes by secreting histamine(vasodilator) and heparin (anticoagulant) in the tissues.

Acetylcholine from the Vagus nerve (CN X) would most likely have this effect on myocardiocytes of the SA node.

Arrange the following vessels in order from proximal (#1) to distal (#6)

Erythropoietin stimulates erythropoiesis in which organ?