Not Sweet
In a biology class, the professor was discussing the high glucose levels found in semen.
A young blonde raised her hand and asked, "If I understand, you're saying there is a lot of glucose, as in sugar, in male semen?"
"That's correct," responded the professor, going on to add statistical info.
Raising her hand again, the girl asked, "Then why doesn't it taste sweet?"
After a stunned silence, the whole class burst out laughing, the poor girl's face turned bright red, and as she realized exactly what she had inadvertently said, she picked up her books without a word