KIN 3304 1nd Edition Lecture 21Outline of Last Lecture I. Undergraduate Research SpeakerOutline of Current Lecture I. Review of Exam 2Current LectureI. Review of Exam 2a. Astrocytes have cytoplasmic processes that increase the surface area and allow the exchange of ions in extracellular fluidb. Astrocytes provide protective mechanism that isolates the general circulation: BBBc. Snake guy used parallel processing to protect himselfd. Oligodendrocytes provide myelin sheathse. Holding breath – must deactivate nerves that will remain so unless synaptic fatigue sets is – called reverberation processingf. Reduction in brain weight and size is due to a decrease in the cerebral cortexg. Arteries are different from veins in that they have an internal elastic membraneh. The media is the portion of the artery is responsible for regulating change of diameter.i. The mechanism that aids in returning blood from the lower limbs back to heart isthe skeletal muscle pumpj. Extra blood serves as a reservoirThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.k. Atherosclerosis causes damage to the endothelial lining that happens in the media of the vessel.l. The heart beats on its own because of intrinsic rhythmicitym. Cardiac muscle has signals carried though it by intercalated discsn. The fibrous skeleton is the description of the heart in that it is responsible for supporting cells, preventing overexpansion, etc.o. Labeling of the heart and valves (ON FINAL)p. Label the picture with the CNS on top and the PNS in the middle (ON
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