An allele is like a trait or a specific gene.
Your aging aunt luella has has a series of small strokes. these strokes can progressively damage her brain and are most likely to produce dementia
The order of the vessels in which the blood will pass through is
right internal jugural vein
right brachiocephalic vein
superior vena cava
cavernous sinus
aorta
brachiocephalic trunk
cebebral arterial circle
right common carotid artery
The blood flows through the veins, the heart, and the arteries.
