BIOL 1218: Anatomy and Physiology II

Discover the precise organization of thin and thick filaments in muscle cells as we debunk misconceptions and highlight the vital role of sarcomeres in muscle contraction.

Dive into the biochemistry of haemoglobin, a pivotal protein in red blood cells. We assess key statements about its structure and function, clarifying common misconceptions.

Understand the anatomical significance and position of the lumbar region within the spinal structure. This video explains how the lumbar region which constitutes the lower back interacts with other areas like the popliteal and umbilical regions. Gain a clear perspective on its role in supporting body weight and its location relative to other spinal sections

Discover the intricacies of synovial joints, the body's most moveable joint type. Explore the role of articular cartilage, joint cavities, and the articular capsule in ensuring smooth movement. Gain insights into the varying presence of fibrocartilage in different synovial joints.

Uncover the fascinating system that nourishes osteocytes in our bones: the osteocyte lacunar-canalicular network. Learn how canaliculi connect these mature bone cells to vital nutrients, ensuring their health even at significant distances from blood vessels.

Explore the processes behind ATP synthesis during oxidative phosphorylation. Learn the pivotal role of the proton gradient in energizing ATP synthase. Visualize the interplay of cellular components producing the ATP symphony.