Five Biology questions I dont know. Insight plz help?
3. Which characteristic describes compact bone?
A. Produces blood cells
B. Consists of calcified rings
C. Cradles bone marrow
D. Manufactures calcitonin
4. What are the two types of bone tissue?
A. Compact and spongy
B. Compact and stringy
C. Expanded and stony
D. Expanded and spongy
5. Which of the following is NOT a function of bones?
A. Provide support
B. Produce minerals
C. Protect internal organs
D. Produce blood cells
6. Skeletal muscle is attached to bones by
A. actin fibers.
B. tendons.
C. filaments.
D. myofibrils.
7. Which characteristic describes smooth muscle?
A. Found in the intestines
B. Under voluntary control
C. Has multi-nucleated cells
D. Uses a great deal of ATP
8. What is the term that describes the unit of a muscle cell that contains all of the structures necessary to cause contraction?
A. Sarcomere
B. Ca2+ ion
C. Filament
D. Myofibril
3. Compact bone is the surrounding bone which cradles the bone marrow.
4. Compact and spongy (cortical and trabecular are the two real names)
5. Bones do not produce minerals, but they are a storage site for them
6. Tendons - no witty remark available
7. We can't control it, it has one nucleus, and it uses very very little energy relative to other sources
8. The Sarcomere is the combination of actin and myosin fibers (hint hint)
Items Recently Purchased From This Site:
