Manatees have a placenta that is referred to as endotheliochorial.  What does that term mean in regards to the barriers between the maternal and fetal tissues?

Freshly oxygenated blood from the lungs is received by this cardiac chamber:

The major function of the RBC is:

The higher the lipid content in manatee blubber, the higher the conductivity.

This is the last step of blood clotting (coagulation)

Which one of the following was not indicated to be an abnormality seen in manatee sperm?

The filtration membrane in the kidney is composed of these structures:

Hair on the manatee face is used more in direct tactile contact than hair on the postfacial body

Lacerations are the most common GI tract consequence of watercraft trauma

When B and T cells are fully developed and mature, they are known to be: