Search results for “heartbeat”

Nerve impulses in the heart

In a healthy heart, nerve impulses originate solely within the heart itself. The wall of the right atrium contains special cells for this purpose. Specifically, in the sinus node, the natural pacemaker of the heart. Authors: ZDF/3sat/nano/Südkino F i l m p r o d u k t i o n GmbH/Berndt Welz/Hannah

This is how respiration works

Every human being breathes in and out continuously. We suck air through the trachea into the lungs via the nose or mouth. Through vascular walls, oxygen can be absorbed into the blood and flows into the circulation with every heartbeat. Author: ZDF/scobel/xkopp/Daniel Sich/Maximilian Mohr Translat