PBIO 208: Intro to Biology 2

Explore the groundbreaking heterotroph hypothesis by Alexander Oparin. This video outlines how the first organisms likely consumed pre-existing organic matter reshaping how we think about the origins of life and evolution

Explore the critical components of the Peripheral Nervous System (PNS), including nerves and ganglia. Understand the distinction between sensory and autonomic ganglia and the composition of nerves' layers. Learn why nerves and ganglia lack the protective meninges found in the CNS and how they facilitate essential signal transmission within the body.

Understand the complexities of eye diseases, from glaucoma's impact on intraocular pressure to the straightforward nature of a sty. Explore how different conditions like cataracts and conjunctivitis affect vision. A comprehensive overview of eye ailments and their root causes.

Discover how humans adapt to cold environments through thermoregulation processes. Understand the body's heat conservation and generation mechanisms. Learn why certain physiological responses occur in cold conditions.

This video provides a comprehensive explanation of mucous and serous membranes, defining their characteristics and addressing statements about their epithelial types, functions, and exceptions.

Unravel the intricacies of the Autonomic Nervous System (ANS) and its pivotal role in controlling involuntary bodily functions. Differentiate between the sympathetic and parasympathetic systems and their unique contributions. Debunk misconceptions surrounding the ANS's characteristics.