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Class Notes (1,045,281)
AUS (35,227)
UniMelb (5,192)
PHYS (217)
PHYS20008 (106)

Class Notes for PHYS20008 at University of Melbourne

Human Physiology

PHYS20008 Lecture Notes - Lecture 26: Glucose Transporter, Microvillus, Symporter

Lecture 26 TUBULAR FUNCTION: Filtration, reabsorption, secretion excretion: * We filter our water, but we reabsorb a lot of it and we only excrete a small amount * potassium is filtrated, and it can be reabsorbed or secre...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 8: Sense, Eyelid, Resting Potential

Lecture 8 SENSORY SYSTEMS VISION: * Stimulus processing can be conscious (e.g. vision, hearing taste, smell etc.) or subconscious (e.g. blood pressure, blood glucose concentration etc.) Types of sensory neurons: * All sens...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 10: Motor Neuron, Troponin, Motor Unit

Lecture 1011 SKELETAL MUSCLE: * Skeletal muscle is attached to skeleton and enables us to move in space this occurs through contraction relaxation * Skeletal muscle has excitable cells that can fire an action potential an...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 32: Exhalation, Intrapleural Pressure, Cellular Respiration

Lecture 33 RESPIRATORY SYSTEM CONTROL: What is respiration? External Respiration: * Ventilation or Breathing: Exchange of air between atmosphere (exchange of gases with the environment) and lungs * Exchange of O CO betwee...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 7: Depolarization, Afferent Nerve Fiber, Interneuron

Lecture 7 GRADED POTENTIALS AND CIRCUITS: The Nervous system overview: * Afferent neurons bringing signal into the brain receptors constantly monitoring the internal and external environment * the brain receives, processes...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 20: Pulmonary Circulation, Blood Vessel, Cardiac Output

Lecture 20 PROPERTIES OF THE CARDIOVASCULAR SYSTEM: * The cardiovascular system is the support system for all the other systems it delivers things around the body (e.g. oxygen, hormones etc.) What are the functions of the ...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 17: Maltase, Sorbitol, Dietary Fiber

Lecture 17 DIGESTION 3: Intestinal phase: * small intestine digestion (where majority of digestion occurs), absorption, propulsion * large intestine reclamation, expulsion * digestive system accessory organs: pancreas (dig...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 30: Capacitation, Ovulation, Polyspermy

Lecture 30 FERTILIZATION TO BIRTH: Fertilization: * Sperm: 22 autosomal chromosomes X or Y sex chromosome travels from vagina to fallopian tube where fertilization takes place life span is 48 hours to a few days * Seco...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 6: Acetylcholinesterase, Central Nervous System, Ligand-Gated Ion Channel

Lecture 6 SYNAPTIC TRANSMISSION: * A synapse is the space between the end of the neuron that just carried the action potential to the next structure in line e.g. another neuron, skeletal musc...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 27: Pituitary Gland, Vasoconstriction, Osmoreceptor

Lecture27 ELECTROLYTE BALANCE: Sodium balance: * Sodium is our most abundant extracellular solute, and it is very important for the movement of other solutes and water around our body * We get/in...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 24: Semipermeable Membrane, Stroke Volume, Polydipsia

Lecture 24 EXCRETORY SYSTEM CONTROL: What does the kidney do? * make urine excrete water soluble waste (metabolism is producing products that can be harmful to us, so the kidneys filter them and get rid of these wast...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 2: Positive Feedback, Homeostasis, Brainstem

Lecture 1 HOMEOSTASIS: * Homeostasis the maintenance of a relatively stable internal environment * homeo = the same, stasis = stand or stay * Homeostasis is ess...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 15: Membrane Potential, Myenteric Plexus, Autonomic Nervous System

Lecture 15 DIGESTION 1: * Digestion is how we absorb nutrients and water into our body * Major function of the human digestive system absorption of nutrients, digestion of comple...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture Notes - Lecture 12: Cardiac Muscle, Skeletal Muscle, Intercalated Disc

Lecture 12 CARDIAC MUSCLE: Skeletal muscle vs cardiac muscle vs smooth muscle: * Skeletal muscle & cardiac muscle are both striated (striped in appearance- due to thick and thin filamen...

Physiology
PHYS20008
Charles Sevigny
PHYS20008 Lecture 21: CARDIAC CYCLE

Lecture 21 CARDIAC CYCLE: * The heart is essential for pumping blood around the body. But, whats essential for the heart is its capacity to contract with great force and the timing for the heart (everything needs to happen...

Physiology
PHYS20008
Charles Sevigny

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