'Ion channels open' presentation slideshows

Little change in concentration

Little change in concentration. ??? ??? ?? ???? ?? resting ???? ??? ??? membrane potential(MP) ? ?? ---> resting potential(RP) nerve, muscle ?? ?? negative, constant, cell type ? ??? e.g.: warm-blooded animal: -55 to -100 mV; smooth muscle: -30 mV

1.26k views • 116 slides

Jeopardy

Jeopardy. GAME RULES:. Room split into 2 teams (RIGHT Vs. LEFT) Winner of the coin toss decides the first question Each team will have 1 person compete at a time. If the team answers incorrectly the other team has a chance to answer If you think you know the answer raise your hand

792 views • 68 slides

Lecturer : prof. Fefonyuk L.Ya .

Theme: Up-to-date perspectives of regeneration and transplantation. Biological mechanisms of homeostasis maintenance. Lecturer : prof. Fefonyuk L.Ya. Reproduction is the method by which individuals give rise to other individuals of same type. There are two types of reproduction :

747 views • 65 slides

Chapter 2 Brain and Behavior

Chapter 2 Brain and Behavior. Weekly Reading Guarantee. What is the action potential? In other words, do neurons fire half way? As in communicate half a signal? Or is it an all or nothing event? Is there more than one nervous system? Are we conscious of everything our nervous system is doing?.

667 views • 58 slides

Nervous Tissue

Nervous Tissue. Controls and integrates all body activities within limits that maintain life Three basic functions sensing changes with sensory receptors fullness of stomach or sun on your face interpreting and remembering those changes reacting to those changes with effectors

681 views • 58 slides

Chapter 2 Brain and Behavior

Chapter 2 Brain and Behavior. Weekly Reading Guarantee. What is the action potential? In other words, do neurons fire half way? As in communicate half a signal? Or is it an all or nothing event? Is there more than one nervous system? Are we conscious of everything our nervous system is doing?.

586 views • 58 slides

BIOLOGY 251 Human Anatomy & Physiology

BIOLOGY 251 Human Anatomy & Physiology. Chapter 12 The Nervous System Lecture Notes. Chapter 12. Nervous Tissue. Nervous System. Controls and integrates all body activities within limits that maintain life Three basic functions sensing changes with sensory receptors

643 views • 50 slides

Sensory systems

Sensory systems. Chapter 50. Five senses. Touch Taste Smell Sound Vision. Sensory systems. Sensory info is received Nerve impulse or action potential All or nothing response Response depends on part of brain that receives the info. Sensory information. Sensory info to CNS

460 views • 45 slides

Figure 48.1 Overview of a vertebrate nervous system

Figure 48.1 Overview of a vertebrate nervous system. Neuron. Conduction of the Nerve Impulse. Membrane Potential Voltage measured across a membrane due to differences in electrical charge Inside of cell is negative wrt outside Resting potential of neuron = -70 mV.

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Today Sensory receptors General properties Skin receptors

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Movement Through the Cell Membrane

196 views • 19 slides