Heart Model
Cardiovascular Physiology Concepts Richard E. Klabunde, PhD

Cardiovascular Physiology Concepts 3e textbook cover Cardiovascular Physiology Concepts, 3rd edition textbook, Published by Wolters Kluwer (2021)

CNormal and Abnormal Blood Pressure, Physiology, Pathophysiology and Treatment book cover Normal and Abnormal Blood Pressure, published by Richard E. Klabunde (2013)

in the Northern Hemisphere (e.g., US, Canada, Europe, Russia, China, India). October is in the spring in the Southern Hemisphere (e.g., Australia, New Zealand, South Africa, Brazil, Argentina).

Here’s a useful breakdown:

October Is Which Season May 2026

in the Northern Hemisphere (e.g., US, Canada, Europe, Russia, China, India). October is in the spring in the Southern Hemisphere (e.g., Australia, New Zealand, South Africa, Brazil, Argentina).

Here’s a useful breakdown: