Maybe he should have taken only five semesters of rudimentary alien physiology.

He has a great knowledge of human, Transformer and alien physiology.

Nebulon's powers are a result of biospheric energy and his alien physiology.

However, she survived, due to her alien physiology.

"I've started making some notes for a reference book I've been considering writing, on comparative alien physiology."

He'd been making notes for a while now on alien physiology, with the idea of eventually compiling a medical reference.

Unaware of his alien physiology, Grace accidentally kills him when she attempts to operate.

David, finding that clinical thoughts calmed him, ran deliberately over his knowledge of the alien physiology.

With his alien physiology, I can't tell for certain.

When he steals a picture of Newton with the camera, it reveals Newton's alien physiology.