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How many sigma ( ) bonds and pi ( ) bonds are in the following molecule?
Foramen Ovale
An opening in the septum between the two atria of the heart in the fetus, which normally closes soon after birth.
Phrenic Veins
Veins that drain blood from the diaphragm, important for the return of blood to the heart.
Diaphragm
A dome-shaped, muscular partition separating the thorax from the abdomen in mammals, playing a major role in breathing as its contraction increases the volume of the thorax and so inflates the lungs.
Median Cubital Vein
A superficial vein located in the cubital fossa that connects the cephalic and basilic veins, commonly used for venipuncture.
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