1) Watch these videos
2) Pay special attention to the flow of blood as represented by red and blue.
3) Answer these questions:
Video 1
What does "red" in the video represent?
What materials does it (red tubes) carry?
What is the direction of the blood flow? What does "blue" in the video represent?
What is the direction of the blood flow?
What materials does it (blue tubes) carry?
What is the direction of the blood flow?
What materials does it (blue tubes) carry?
Video 2
IS the red=oxygen and blue=carbon dioxide,Mrs Lim?
ReplyDeleteBut what about if your doing something will the flow of oxygen go faster around the body?
ReplyDeleteRed:oxygen
DeleteBlue:carbon dioxide
Vid 1:the red tubes carries nutrients and oxygen to our cells
ReplyDelete