Blood Flow Videos

Today's lab asks you to observe the blood flowing through the webbing in a frog's foot. Since I'm not really into torturing frogs, I think we'll "go virtual" for this one. Below are three embedded videos showing blood flowing through capillaries. Use these to complete the lab.

The first is in the tail of a goldfish:


I'm not sure what animal the second is from, but it's narrated by someone who sounds really official:


The third is my favorite and is from the wing of a bat: