Download - Activity 12_postlab CV System
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ACTIVITY 12: ACTIVITY 12: CARDIOVASCULAR CARDIOVASCULAR
SYSTEMSYSTEM
ACTIVITY 12: ACTIVITY 12: CARDIOVASCULAR CARDIOVASCULAR
SYSTEMSYSTEM
Post-Lab DiscussionPost-Lab DiscussionPost-Lab DiscussionPost-Lab Discussion
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Atrioventricular valve
Semilunar valve
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Arterial Arterial SystemSystem
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Venous Venous SystemSystem
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ANSWERS TO ANSWERS TO GUIDE QUESTIONS:GUIDE QUESTIONS:
ANSWERS TO ANSWERS TO GUIDE QUESTIONS:GUIDE QUESTIONS:
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1. Why is the ventricle more 1. Why is the ventricle more muscular than the atria?muscular than the atria?
……because the ventricle needs to because the ventricle needs to create enough pressure to keep the create enough pressure to keep the blood circulating throughout the blood circulating throughout the body.body.
1. Why is the ventricle more 1. Why is the ventricle more muscular than the atria?muscular than the atria?
……because the ventricle needs to because the ventricle needs to create enough pressure to keep the create enough pressure to keep the blood circulating throughout the blood circulating throughout the body.body.
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2. What valve prevents the 2. What valve prevents the backflow of blood from conus backflow of blood from conus arteriosus to the ventricle?arteriosus to the ventricle?
The semilunar valveThe semilunar valve
2. What valve prevents the 2. What valve prevents the backflow of blood from conus backflow of blood from conus arteriosus to the ventricle?arteriosus to the ventricle?
The semilunar valveThe semilunar valve
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3. How does the blood in the 3. How does the blood in the pulmonary vein differ from that pulmonary vein differ from that in the other veins?in the other veins?
It is oxygenated blood.It is oxygenated blood.
3. How does the blood in the 3. How does the blood in the pulmonary vein differ from that pulmonary vein differ from that in the other veins?in the other veins?
It is oxygenated blood.It is oxygenated blood.
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4. Name the three veins that 4. Name the three veins that empty blood into the sinus empty blood into the sinus venosus.venosus.
Left precava / left anterior vena Left precava / left anterior vena cavacava
Right precava / right anterior vena Right precava / right anterior vena cavacava
Postcava / posterior vena cavaPostcava / posterior vena cava
4. Name the three veins that 4. Name the three veins that empty blood into the sinus empty blood into the sinus venosus.venosus.
Left precava / left anterior vena Left precava / left anterior vena cavacava
Right precava / right anterior vena Right precava / right anterior vena cavacava
Postcava / posterior vena cavaPostcava / posterior vena cava
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5.5. Trace the blood from the Trace the blood from the femoral veins of the leg tofemoral veins of the leg to the the kidneykidney..
Femoral vein Renal portal vein
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5.5. Trace the blood from the Trace the blood from the femoral veins of the leg tofemoral veins of the leg to the the liverliver..
Femoral veinFemoral vein Pelvic veinPelvic vein
Anterior abdominal vein
Anterior abdominal vein
Anterior abdominal vein
Anterior abdominal vein
Hepatic Vein / Hepatic Portal Vein
Hepatic Vein / Hepatic Portal Vein
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6. What visceral organ system 6. What visceral organ system uses the portal system uses the portal system extensively?extensively?
UrinaryUrinary
Liver/ DigestiveLiver/ Digestive
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7. Trace the shortest route a 7. Trace the shortest route a blood corpuscle could take in blood corpuscle could take in traveling from the systemic traveling from the systemic arch to the intestine to the arch to the intestine to the right atrium.right atrium.
Systemic Systemic arch arch
Systemic Systemic arch arch
AnteriorAnterior
Mesenteric Mesenteric
arteryartery
AnteriorAnterior
Mesenteric Mesenteric
arteryartery
Dorsal Dorsal
Aorta Aorta
Dorsal Dorsal
Aorta Aorta Intestinal Intestinal
artery artery
Intestinal Intestinal
artery artery
Intestinal Intestinal
capillaries capillaries
Intestinal Intestinal
capillaries capillaries IntestinalIntestinal
veins veins
IntestinalIntestinal
veins veins
HepaticHepatic
PortalPortal
veinvein
HepaticHepatic
PortalPortal
veinveinpostcava postcava postcava postcava
Sinus Sinus
venosus venosus
Sinus Sinus
venosus venosus Right atriumRight atriumRight atriumRight atrium
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8. How does the blood in the 8. How does the blood in the pulmocutaneous arch differ from pulmocutaneous arch differ from that in the higher two arches?that in the higher two arches?
It contains deoxygenated blood.It contains deoxygenated blood.
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Do you have biology in your blood?Do you have biology in your blood?