Vitamin niacin ( vitamin B3)
Answer:
aphthous ulcers
Explanation:
I took a medical course so i know :D
PS: thank and nark me brainly plzzz
Mitochondria is the correct answer
Many different ways, primarily through bone and muscle loss. The lack of pressure on bones causes the body to reabsorb calcium from them, weakening them and potentially causing kidney stones.
Answer:
Unicellular
Explanation:
Some organisms are microscopic and consist of only 1 cell