Question

_____ are fluid and tissue such as blood, urine, or saliva used to run tests and diagnose or treat diseases.

A.
Transfusions

B.
Periscopes

C.
Samples

D.
Centrifuges

Answer 1

Samples

Step-by-step explanation:

datz wat u'll be told if u want to run a test

Answer 2

A transfusion

Step-by-step explanation:

because transfusions are blood in the veins