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Osmoregulation

Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. He then explains how we ...

Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune ...

Paul Andersen explains how your body protects itself from invading viruses and bacteria. ...

Osmoregulation

Paul Andersen explains how organisms regulate their internal osmolarity or not. He starts with a brief description of osmosis and why it is important for animal cell to be surrounded by an isotonic solution. He then explains how freshwater and saltwater fish osmoregulate. He finally discussed the nephron within the kidney as an osmoregulatory organ. He explains how the loop of Henle sets up a gradient which is used to reclaim or remove water with ...

Paul Andersen explains how organisms regulate their internal osmolarity or not. He starts with a brief description of osmosis and why it is important for animal cell to be surrounded by an isotonic solution. He then explains how freshwater and ...

Paul Andersen explains how organisms regulate their internal osmolarity or not. He starts with a brief description of osmosis and why it is important for ...

Elements Of A Feedback Loop

Paul Andersen defines the major elements of feedback loops. The receptors and effectors both sense and respond to changes in their environment. The following examples are used to illustrate the importance of feedback loops in maintaining homeostasis: speed signs, thermostats, thermoregulation, and blood glucose maintenance. Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: www.freesound.org/people/CosmicD/sounds/72556/ Creative Commons Atribution License

Paul Andersen defines the major elements of feedback loops. The receptors and effectors both sense and respond to changes in their environment. The following examples are used to illustrate the importance of feedback loops in maintaining homeostasis: speed signs, thermostats, ...

Paul Andersen defines the major elements of feedback loops. The receptors and effectors both sense and respond to changes in their environment. The following examples ...

Fight Or Flight Response

Paul Andersen explains how epinephrine is responsible for changes in chemistry of our body associated with the fight or flight response. Epinephrine released by the adrenal medulla are received by a number of organs associated with the sympathetic nervous system.

Paul Andersen explains how epinephrine is responsible for changes in chemistry of our body associated with the fight or flight response. Epinephrine released by the adrenal medulla are received by a number of organs associated with the sympathetic nervous system.

Paul Andersen explains how epinephrine is responsible for changes in chemistry of our body associated with the fight or flight response. Epinephrine released by the ...

The Immune System

Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. He then explains how we use antibodies to disrupt the function of antigens and mark them for destruction. He then explains both the homoral and cell-mediated immune response highlighting the importance of B and T lymphocytes. He finally describes the process of long term immunity. Intro Music Atribution Title: I4...

Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. He then explains how we use antibodies to disrupt the function of antigens and mark ...

Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. ...

The Endocrine System

Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and actions of ten glands; pineal, anterior pituitary, posterior pituitary, thyroid, parathyroid, pancreas, adrenal cortex, adrenal medulla, testes and ovaries. Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: www.freesound.org/people/CosmicD/sounds/72556/ Creative Commons ...

Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and actions of ten glands; pineal, anterior ...

Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and ...

The Reproductive System

Paul Andersen starts with a brief description of asexual and sexual reproduction. He explains how meiosis ensures variation in the next generation. He describes the important structures in the male and female reproductive system. He explains how the menstrual cycle ensure the success of the released ovum. He also shows how a zygote becomes a blastula, gastrula, embryo and fetus. Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: www....

Paul Andersen starts with a brief description of asexual and sexual reproduction. He explains how meiosis ensures variation in the next generation. He describes the important structures in the male and female reproductive system. He explains how the menstrual cycle ...

Paul Andersen starts with a brief description of asexual and sexual reproduction. He explains how meiosis ensures variation in the next generation. He describes the ...

The Nervous System

041 - Animal Nervous System Paul Andersen begins this podcast with a discussion of brain lateralization and gives a brief demonstration of tests that were performed on split-brain individuals. He then discusses the major parts of a neuron and explains how action potentials are generated using voltage-gated ion channels. He explains how neurotransmitters transmit messages across a synapse and how these messages can be either inhibitory or excitatory. Do you speak another language? Help me translate ...

041 - Animal Nervous System Paul Andersen begins this podcast with a discussion of brain lateralization and gives a brief demonstration of tests that were performed on split-brain individuals. He then discusses the major parts of a neuron and explains how ...

041 - Animal Nervous System Paul Andersen begins this podcast with a discussion of brain lateralization and gives a brief demonstration of tests that were performed ...

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