What type of cells break down bone tissue?
A. mast cells
B. stem cells
C. osteoclast
D. macrophages
E. adipocytes
C
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Some bone interiors contain hemopoietic tissue, which functions in
A. storing fat. B. producing hormones. C. making connective tissue fibers. D. producing blood cells. E. breaking down toxins.
Which of the following is the steroid lipid?
a. cholesterol b. triglycerides c. enzymes d. phospholipids
Projections of loose connective tissue from the dermis, which extend upward between the adjacent ridges of the epidermis, are called
A) epidermal ridges. B) strata. C) reticular layers. D) accessory structures. E) dermal papillae.
Blood from coronary circulation is returned to the right atrium of the heart via:
anastomoses the circumflex branch the anterior interventricular branch coronary sinus none of the choices are correct