Respiratory System

Vídeo 1) Respiratory System: breathing.

Vídeo 2) Respiratory System. Learn human body (easier video)

Vídeo 3) Oxigen transport. FANTASTIC. Watch only the first two minutes.

Interactive Game) Labeling

V1) ...

The Circulatory System

Vídeo 1) Exploring the Heart. The Circulatory System. 
               Learn how the heart works and how blood flows through your body.

                   
Video 2) Human Blood.

Video 3) The Circulatory System (one of the best videos).

Video 4) Human Circulatory System.

Video 5) The Circulatory System 

6) Human Circulatory System Diagrams.

 7) Fantastic Human Circulatory made by Adriana:😍