These structures are called taste buds and they sense salty, sweet. sour, bitter tastes in the food.
It would be fruit juice from what I am aware of tree nuts, milk, eggs are major food allergens commonly listed on food labels.
A 200 lb person should eat 2500 calories a day to maintain their weight
I think that this is not true. Cancer is caused by a mutation in the DNA, being skinny will not help you avoid it.
Microscopic thin walled tubes carrying blood are called Blood Vessels.
