Download Human Body in health and Disease CV sys

Human Body in health and Disease Webquest:
Websites to be used:
http://www.gwc.maricopa.edu/class/bio202/cyberheart/cybrhart49.htm
http://www.smm.org/heart/heart/pumping-f.htm
http://search.nlm.nih.gov/medlineplus/query?DIAMBIGUATION=true&FUNCTION=
search&SERVER= server2&SERVER1=server1&PARAMETER=heart&x=0&y=0
http://medlib.med.utah.edu/kw/phar/hyper_heart1.html
http://www.texasheartinstitute.org/HIC/Anatomy/Anatomy.cfm
http://www.med.ucla.edu/wilkes/intro.html
1. What are one relaxation plus on contraction collectively called?
a. Describe the sounds involved in each of these
2. Compare and contrast tachycardia and bradycardia
3. Differentiate between:
a. Pulmonary and systemic circuit
b. Coronary artery and coronary sinus
c. Systole diastole
4.
a. Explain the purpose of the four heart valves and describe their
structure and location.
b. What prevents the valves from opening backwards?
5. Which actions in the heart are happening simultaneously?
6. Trace a drop of blood from the superior vena cava to the lungs and from the
lungs to the aorta.
7. Calculate the number of times your heart will beat in your lifetime.
8.
a. How long does it take the oxygen-rich blood to reach the coronary
arteries?
b. How long does it take the oxygen-rich blood to reach the toes?
9.
a. Define the term: normal sinus rhythm.
b. What does this EKG look like?
10. Identify which side of the heart is larger. Why?
11. On average, how much blood does your heart pump in a day?
12.
a. Describe the heart sound that occurs at the start of isovolumetric
contraction
b. With respect to pressure, describe what is happening in the atria,
ventricle, and the aorta during isovolumetric contraction.
13.
a. Describe the heart sound that occurs at the start of isovolumetric
relaxation.
b. With respec t to pressure, describe what’s happening in the atria,
ventricle, and the aorta during isovolumetric relaxation.