BIOL 103: Human Anatomy and Physiology

Unlock the basics of the anatomical position, a crucial standard in medical and anatomical studies. This video clarifies the key differences among prone, supine, and standing positions and why they're not the anatomical position.

Learn about the composition of arteries focusing on those closer to the heart. Understand the role of endothelium smooth muscle fibers elastic fibers and collagen in these arterial structures. Discover why arteries near the heart have a higher percentage of elastic fibers to withstand pressure changes effectively.

Dive into the world of cellular respiration, where glucose transforms into energy-rich ATP. Unpack the crucial steps that occur mainly within the mitochondria, resulting in the release of carbon dioxide and the production of the cell's primary energy currency. Decode life's foundational energy process and its significance in cellular functions.

Explore the complexities of epithelium tissue and its diverse types. Understand their distinct functions, ranging from protection to secretion and absorption, and learn about their various locations in the body. Highlighting the significance of epithelial cells in vital physiological processes.

Explore what makes each element unique by focusing on the atomic components: protons neutrons and electrons. Learn why the number of protons known as the atomic number is the defining characteristic for each element's properties. Understand how protons set elements apart even as neutrons and electrons also play important roles.

Explore the Evolutionary History of Invertebrates: Are Beetles Related? Discover the intricate web of invertebrate evolution, dating back over 500 million years, and why beetles and their invertebrate counterparts do not share a common ancestry.