Circulation Quiz Review

Pulmonary System:

-Deoxygenated blood

-Blood is carried away from the heart to the lungs

-Begins at the right ventricle

-Walls are thinner

Systematic System:

-Oxygenated

-Carries blood away from the heart to the body

-Begins at the left ventricle

-Walls are thicker

Similarties:

-Carry blood to the tissues of whole body

-Both necessary to homeostasis

Arteries:

-Have a thicker wall because they have a larger middle layer

-Have arteriole

Veins:

-Larger in diameter

-Have venule and valves

-Thinner wall

-Walls have less smooth muscle and and connective tissue

Similarities:

-Walls have three layers

-Inner layer composed largely of endothelium

-With basement membrane that has elastic fibres

-Middle layer is smooth tissue

-Outer layer is connective tissue

Fetal Circulation:

Foramenovale

- helps RA and LA

-acts as lungs and digestive system for fetus

Ductus Arteriosis

-between pulmonary truck and aorta

-makes sure blood doesn't go into fetus lungs

Ductus Venosus:

-umbilical vein attaches to the vena cava