Compact bone contains cylinders of calcified bone called . These cylinders consist of 4 to 20 Compact bone contains cylinders of calcified bone called concentric rings of bone known as:. a. osteons, canaliculi
b. lamellae, canaliculi
c. osteons, lamellae
d. Haversian canals, lamellae
e. none of the above

The correct answer is c. osteons, lamellae

Explanation:

An osteon is the basic functional unit of the cortical bone of a tubular bone. An osteon consists of a central canal that contains two vessels of Havers. Concentric bony laminae are arranged around this canal. These lamellae consist of bone cells and the surrounding base substance. Between the Havers canals there are Volkmann canals that connect the Havers canals. The construction of the cortical bone in these functional units has not yet been fully clarified. In general, it is assumed that these structures serve primarily to deliver tissue and signal transduction. This structure is also supposed to serve the stability and adaptability of the bone.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles