BIO 211: Introduction to Biology I

Explore the hierarchy of biological structures to identify the smallest independent unit of life. This video assesses options from organelles to organs, elucidating the pivotal role of the cell in life's tapestry.

Uncover why flamingos, genetically predisposed to white feathers, sport a pink hue. Dismissing influences like weather and DNA mutations, the mystery unravels with diet: the intake of carotenoids from their food which overrides their genetic blueprint

Discover the unique characteristics of cartilage, its critical roles in the human body, and the reasons behind its slow healing rate. Uncover myths and gain clarity on the essential factors influencing cartilage repair.

Learn about the path of blood flow in the mammalian heart and circulatory system. Discover how oxygen-rich blood from the lungs enters the left atrium and understand why other statements about blood flow are incorrect.

Explore the multifaceted roles of the skin, from protective barrier functions to sensory reception. Understand the distinction between the epidermal and dermal layers. Appreciate the comprehensive functionalities of the integumentary system.

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.