Perform the indicated operations and simplify.
-Let 
and 
Find BC + 6ℐ3.
Definitions:
Vesicular Follicle
A fluid-filled structure in the ovary that contains a maturing ovum or egg.
Interstitial Cell
Cells located in the spaces between the organs or tissues of the body, often referring to cells in the testes that produce testosterone or in various other tissues for support and repair.
Spermatogonium
A male germ cell from which sperm cells are derived, undergoing several stages of division before becoming mature sperm.
Developing Sperm
Developing sperm, or spermatogenesis, is the process during which spermatogonial stem cells divide and differentiate into mature spermatozoa in the testes.
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