119heart-lab-tas09 - 1 TA COPY ONLY HEART LAB ANSWERS TO...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
TA COPY ONLY HEART LAB ANSWERS TO THE REVIEW QUESTIONS Heart Structure Pressure is not sufficiently high to move blood through entire systemic circuit, after blood leaves the lungs. 2. Why do our hearts have atria, if the ventricles supply the force to move blood into arteries? Need a "collection" chamber for blood. 3. Label the major blood vessels on the heart diagram for the class & give the destinations for that blood. Which vessels carry oxygenated blood? Which deoxygenated? Explain why arteries are thicker walled than veins. Vena cava, pulmonary artery - deoxygenated Pulmonary vein, aorta - oxygenated 4. Label the major heart chambers on the heart diagram for the class. see diagram closed. What sound does the closure of the AV valves make? “lub” - 1 st sound when the AV valves close (turbulent blood flow hitting the valve makes the sound). 6. Explain when & why the semilunar valves close, include a description of the pressure differences on either side of these valves when closed. What sound does the closure of the semilunar valves make?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/02/2011 for the course BIOL 119 taught by Professor Staff during the Winter '08 term at University of Washington.

Page1 / 3

119heart-lab-tas09 - 1 TA COPY ONLY HEART LAB ANSWERS TO...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online