BIOL 404: BIOL 404

Explore the distinct characteristics of muscle tissues and their functions. Understand the differences between skeletal, cardiac, and smooth muscles. Get insights into the anatomy of striations, cell shapes, and nuclei.

Explore the fascinating intersection of human and prokaryotic genetics revealing that both contain about 1000 shared genes despite their complexity difference. The video explains how this common genetic heritage can be traced back to a universal ancestor covering the essential functions these genes perform like metabolism and DNA replication.

Discover the essence of hydrostatic pressure and its significance in capillary beds, examining its relationship with colloid osmotic pressure and how it affects fluid movement in our circulatory system.

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.

Learn about the role of Erythropoietin (EPO), a natural kidney hormone, in controlling red blood cell production and oxygen transport. Discover how athletes misuse synthetic EPO for performance enhancement, despite the associated health risks.

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.