mucholderthen: Capillary Net of an Alveolusshowing the erythrocytes
jewsee-medicalstudent: The blood-air barrier. This is a colorized
medicalschool: Red blood cells (erythrocytes) leaking out of
doodleblah: Some self-indulgent Red X White for rEASONS
lunchtimerushin: 1. she killed him by wearing his jacket, and