BIOL 104: Human Genetics and Birth Defects

Discover the intricacies of lymphocytes, vital immune system cells, as we uncover where they develop the ability to effectively combat foreign invaders and the unique roles of T and B lymphocytes and NK cells.

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.

Explore the pivotal role of neurotransmitter receptors in neuron communication. This video debunks misconceptions about their locations and highlights the integral part they play in transmitting signals between neurons. Discover why the postsynaptic membrane is the key player in this intricate dance of cellular messaging.

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.

Discover the relationship between the papillary layer of the dermis and the layers of the epidermis. Understand the structure, function, and connections that exist in our skin's anatomy.