If the lungs were decreased in size by half due to disease, then the respiratory membrane’s size would _____________________ and O2 levels in the blood would ____________________

The picture below shows a Helper T cell being activated by another cell.  What type of cell could the other cell be?

Extrinsic mechanisms capable of regulating GFR include the endocrine and nervous systems.

Which of these is true? Under the influence of ADH:

Progesterone exerts _____________ feedback on the hypothalamus, causing levels of GnRH to _______________ when progesterone increases.

The aliens on Planet X drink a sugary solution called Looney Juice.  When Looney Juice gets to their small intestines, it is immediately absorbed into the blood without any chemical digestion.  Assuming that the alien’s digestive systems work the same as the human digestive system, Looney Juice is a:

All factors remaining constant, which of the following set of exposure factors would result in the greatest image receptor exposure?

The difference in charge between the cathode and anode is called:

The male structure in which gametes are produced is the ___________________, while the female structure in which gametes are produced is the ___________________.

When the testes are exposed to warmer temperatures, the dartos muscle ______________ and the testes move ______________ the body.