Answer:
Spermatogenesis , Spermatogonia
Explanation:
Gonads are the primary sex organs in the male which are the two testes.
Each testis divide into testicular lobules each containing the sparse connective tissue with the endocrine interstitial cells that secrets testosterone, and also contains one to four highly convoluted seminiferous tubules which is responsible for sperm production.
The process is known as <u>spermatogenesis</u>.
This process begins with mitotic division of stem cells which are located close to basement membrane of tubules. The cells are known as <u>spermatogonial stem cell</u>s. The division produces two types of cells.
Type A cells are the cells which replenish stem cells and type B cells are the cells which differentiate into spermatocytes. They have number of chromosomes = 46.

Mobilization and manipulation are usually performed by
<u>Chiropractors and osteopaths</u>
Answer:
Fortified and unfortified milks are highly nutritious and particularly rich in vitamin B12, calcium, and phosphorus. Fortified milk in the United States is also high in vitamins A and D.
Explanation:
Answer:
Its smaller
Explanation:
Im sorry this is totally not helpful ;)
Answer:
Bone is a type of mineralized connective tissue that contains collagen and calcium phosphate, a mineral crystal. Calcium phosphate gives bone its firmness. There are two types of bone tissue: spongy and compact.
Explanation: