Answer:
Bruh. What the dude said upctopcis correct ^^
Explanation:
The answer is X is equal to Z
Y+X=Z+Y
Y=Y
Z=X
Bones
produce blood cells. The red bone
marrow found in the connective tissue of certain bones is the site of blood
cell production. The correct answer between all the choices given
is the second choice or letter B. I am hoping that this answer has satisfied
your query and it will be able to help you in your endeavor, and if you would
like, feel free to ask another question.
The correct answer i think is antibodies
