BIOL 105: Principles of Biology

Discover the intricacies of hyperventilation, its impact on the body's CO2 levels, and the resulting respiratory alkalosis. Understand the triggers, physiological implications, and how controlled breathing and meditation can help manage this condition.

Uncover the fundamentals of human muscle contraction and anatomy in this lesson. Highlighting the distinct roles of muscle origin and insertion we clarify their functions in movement. Learn why the muscle origin is the cornerstone of stability during contraction anchoring our body mechanics.

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.

Explore the fundamental characteristics of anions and decipher the statements that define them. Understand how electron transfer leads to ion formation, creating atoms with net electrical charges. Learn about the key property that sets anions apart from other atomic entities, providing insights into atomic structure and charge.

Uncover the fascinating system that nourishes osteocytes in our bones: the osteocyte lacunar-canalicular network. Learn how canaliculi connect these mature bone cells to vital nutrients, ensuring their health even at significant distances from blood vessels.

Explore the critical role of phospholipids in forming cell membranes across various organisms. Understand their unique amphipathic properties and their influence on cellular processes, from transport to signaling.