Bleeding disorders can result from the lack of
O
vitamin B12
O
vitamin D
O
vitamin A
vitamin K
O
vitamin C

Bleeding disorders can result from the lack of vitamin K

Explanation:

Vitamin K is a fat-soluble vitamin critical for proper blood clotting. Deficiency is associated with easy bleeding. Besides its role in blood coagulation, vitamin K is also important for healthy bones. Symptoms of deficiency include:   Nose bleeds  Easy bruising, Bleeding gums,  Heavy menstrual bleeding , and Blood in the urine.

the correct answer is b

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]