EASY REVISION AQA A-Level Biology 3.6.2.1 Nerve impulses

Описание к видео EASY REVISION AQA A-Level Biology 3.6.2.1 Nerve impulses

This episode focuses your revision on topic 3.6.2.1 (Nerve impulses) of the AQA A-Level Biology specification.

00:00 Introduction
00:11 specification overview
01:06 structure of a myelinated motor neurone
01:57 establishment of a resting potential
02:45 establishment of an action potential
04:32 passage of an action potential (unmyelinated axon)
05:13 nature & importance of the refractory period
05:38 passage of an action potential (myelinated axon)
06:23 the all-or-nothing principle
07:02 factors affecting speed of impulses
08:07 specification round-up

Комментарии

Информация по комментариям в разработке

Похожие видео