Scientists have developed techniques to determine if you've been exposed to foreign agents by measuring the amount
of? in your blood. Trick question as there are two possible answers, what are the 2 possible answers?

answer:

no

explanation:

why do you do this

answer:

Bones of the leg, ankle and foot: There are 62 lower extremity bones. They consist of 10 hip and leg, 14 ankle and 38 foot bones. The 10 hip and leg bones are the innominate or hip bone (fusion of the ilium, ischium, and pubis), femur, tibia, fibula, and patella (kneecap) on each side.

Explanation:

Hope this helps

-A Helping Friend