To actually control the color of their skin, cephalopods Use tiny organs in their skin called chromatophores. Each tiny chromatophores is basically a sac filled with pigment, minute muscles tug on the sac, spreading it wide and exposing the colored pigment to any light hitting the skin.
Yes, there are several glands that add fluids to the sperm as it passes through the vas deferens. The glands that add fluids are the seminal vesicles, bulburourethal gland, and the prostate gland. The glands add the fluids that make semen.
According to the studies of human anatomy
She can intake blood types A+,A-,B+, and B-