BIOL 214: Anatomy and Physiology II

Unveil the essential muscles that make breathing possible in this video. Learn why the diaphragm and scalene are crucial players and why other muscles like the trapezius and semispinalis aren't involved in respiration.

Discover the origins of specialized cells in embryonic development and learn about the three essential germ layers: ectoderm, mesoderm, and endoderm. Explore how these layers form the foundation for all multicellular life.

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.

Discover the captivating world of chemical bonds, from the basic definition to types and specific examples like ammonia. Delve into ionic, covalent, and hydrogen bonds and their distinct characteristics. Understand the unequal electron sharing in ammonia leading to polar covalent bonds.

Unpack the intricate processes within photosynthesis and identify which is most directly powered by light energy. Discover the critical role of chlorophyll in capturing solar power.

Discover the significance of coronary arteries in heart health, where they branch from, and their role in delivering oxygen-rich blood to the heart muscle. Learn the differences between the ascending aorta, aortic arch, and pulmonary trunk in relation to the coronary arteries.