Which tissue contains a calcified ground substance and is specialized for structural support?
a. muscle tissue
b. dense regular connective tissue
c. areolar connective tissue
d. bone connective tissue

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z