Explain the cardiac structure and blood flow through chambers/valves.
From the left atrium,. it travels through the _____ valve into the left ventricle.
From the left ventricle, the blood travels through the _____ valve into the aorta,
and goes to the rest of the body to deliver oxygen and nutrients
mitral, aortic
T/F The left ventricle is larger than the right because its workload is greater. The
right ventricle ONLY PUMPS BLOOD TO THE LUNGS, whereas the left ventricle
must pump blood to the entire body and has a much higher after load to push
against.
True (Consequently, pressure in left side of heart is greater than the right)
The heart has how many layers?
3. endocardium, myocardium ,pericardium
(made of two layers. Fibrous pericardium made of CT and provides heart with
stability by connecting to sternum anteriorly and diaphragm inferiorly. Serous
pericardium has two layers
, Explain fetal circulation.
The _____ is essential to fetal life, growth, and development. Where oxygen
exchange occurs. Removes waste products and provides nutrients
placenta
Explain fetal circulation.
T/F During fetal growth and development, manner in which blood flows is
different than it is at birth. Blood shunted around some areas and mixes in other
areas. Different channels which are OPEN to allow for blood flow, and after birth,
channels close and./or develop into various ligaments.
True
Explain fetal circulation.
The umbilical vein receives _______ blood from the placenta. The umbilical vein
connects to the ______ circulation but also connects to the inferior vena cava by
the _____ _____
oxygenated, hepatic, ductus venosus
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