Blood Test

Little Johnny and Little Al were sitting outside a clinic. Little Al was crying very loudly.

• Little Johnny: Why are you crying?
• Little Al: I came here for a blood test.
• Little Johnny: So? Are you afraid?
• Little Al: No. For the blood test, they cut my finger.

At this, Little Johnny started crying profusely.
Little Al was astonished.

• Little Al: Why are you crying now?
• Little Johnny: I came for a urine test !