The following videos will help you understand this topic far better. They are generally short. Watch them and take notes! If you watch them all before Thursday, that would be ideal...Friday is the absolute latest.

This first video is "How heavy is air" - WAIT! You exclaim. Air? Aren't we studying the heart? Yes, we are...this is a 3.18 minute long video explaining the pressure we live in. This will help clarify pressure, blood pressure and a lot more about the human body as we continue to study this topic. Plus, it is a really fun video!

https://www.youtube.com/watch?v=VDf00z8sMFw

The next videos range from 10 minutes long to 2 minutes short. All of them will help you learn more about this field, and visualize materials covered in the class.

https://www.youtube.com/watch?v=X9ZZ6tcxArI - the heart part one
https://www.youtube.com/watch?v=FLBMwcvOaEo - the heart part two
https://www.youtube.com/watch?v=vFRkSB46bl8 - cardiac output

https://www.youtube.com/watch?v=oHMmtqKgs50 - ignore the commentary, just watch the video. Exceptionally well done.

https://www.youtube.com/watch?v=3_PYnWVoUzM - what is a heart attack?

Here are some links to help you with veins and arteries:
https://www.youtube.com/watch?v=hnjMdXSyA5o - Arteries vs Veins
https://www.youtube.com/watch?v=HNuPWdfjDoc - how veins work
https://www.youtube.com/watch?v=rH3Rxs57KEY - how arteries work

Create in me a pure heart, O God, and renew a steadfast spirit within me! (Psalm 51:10)

God bless you,

Mrs. Smith