A single, brief contraction and relaxation cycle in a muscle fiber is called a muscle __________.

__________________ refers to an excessive loss of bone mineral mass and strength resulting in one or more fractures.

Fill in the blank(s) with the appropriate word(s).

________ is the division of the cytoplasmic mass into two parts

Fill in the blanks with correct word

The selective movement of substances from inside the tubule (the tubular lumen) into the blood is called tubular __________

Fill in the blank(s) with correct word

The female pelvis is ________ than the male pelvis.

A. lighter B. more narrow and longer C. heavier D. wider and has a more acute pelvic angle/arch