Electrical Activity of the Heart
Chapter 19 Electrical Activity of the Heart Key Points 1. Contraction of cardiac muscle cells is triggered by an electrical action potential. 2. The contractile machinery in cardiac muscle is similar to…
Cancer: A Disease of Cellular Proliferation, Life Span, and Death
Chapter 2 Cancer A Disease of Cellular Proliferation, Life Span, and Death Key Points 1. Cancer arises from genetic dysfunction in the regulation of the cell cycle, cell life span, and…
The Cerebellum
Chapter 12 The Cerebellum Key Points 1. The cerebellum constantly compares the intended movement with the actual movement and makes appropriate adjustments. 2. Cerebellar histology and phylogeny give clues to cerebellar function….
Nonrespiratory Functions of the Lung
Chapter 50 Nonrespiratory Functions of the Lung Key Points Defense mechanisms of the respiratory system 1. The extensive, delicate gas exchange surface of an animal’s lung is protected by a variety…
Fetal and Neonatal Oxygen Transport
Chapter 51 Fetal and Neonatal Oxygen Transport Key Points 1. The fetus depends on the placenta for the exchange of gas, nutrients, and metabolic byproducts. 2. The efficiency of gas exchange at…
Skeletal Muscle Receptor Organs
Chapter 8 Skeletal Muscle Receptor Organs Key Point 1. The muscle spindle stretch receptor is an encapsulated organ of specialized muscle fibers with separate motor and sensory innervations. 2. The muscle spindle…
The Specific Immune Response: Acquired Immunity
Chapter 55 The Specific Immune Response Acquired Immunity Key Points T Cells (T Lymphocytes) 1. Mature T cells develop from lymphoid stem cells that have migrated to the thymus. 2. T cells…
Neural and Hormonal Control of Blood Pressure and Blood Volume
Chapter 25 Neural and Hormonal Control of Blood Pressure and Blood Volume Key Points 1. Neurohumoral mechanisms regulate blood pressure and blood volume to ensure adequate blood flow for all body…
The Vestibular System
Chapter 11 The Vestibular System Key Points 1. The vestibular system is a bilateral receptor system located in the inner ear. 2. Specialized regions of the vestibular system contain receptors. 3. The semicircular…
Control of Ventilation
Chapter 49 Control of Ventilation Key Points 1. Respiration is regulated to meet the metabolic demands for delivery of oxygen and removal of carbon dioxide. Central control of respiration 1. Respiratory rhythmicity…
