Tissues that form glands and a protective covering for all body surfaces are called tissues.

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization