Blood Jokes

Chuck Norris frequently donates blood to the Red Cross. Just never his own.

Two old people, a man and a woman, walk into a hospital. The doctor says to the old man, "I'll need a urine sample, a feces sample, and a blood sample." The old man says, "What?" So the doctor says it again. Once again the old man says, "what?" So the doctor yells it, "I NEED A URINE SAMPLE, A FECES SAMPLE, AND A BLOOD SAMPLE!" With that the old woman turns to the old man and says, "He needs a pair of your underwear!"

ur momma so fat that whenever she went to get her blood drawn the results came back gravy.

A teacher was giving a lesson about the circulation of blood. Attempting to make the subject clearer, he said to his class, "Now students, if I were to stand on my head, as you know, the blood would rush into it and I would turn red in the face."
The students all nodded in agreement.
"Then why is it that when I am standing in an upright position, the blood doesn't rush into my feet?" asked the teacher.
A student at the back of the class yelled out, "Probably because your feet aren't empty!"

A teacher was giving a lesson on the circulation of the blood. Trying to make the matter clearer, he said: "Now, students, if I stood on my head the blood, as you know, would run into it, and I should turn red in the face."
"Yes, sir," the boys said.
"Then why is it that while I am standing upright in the ordinary position the blood doesn't run into my feet?"
A little fellow shouted, "'It's because yer feet ain't empty."