To maintain a healthy diet, you should try to eat a diet rich in? ?

Food that are rich in dietary fiber carbohydrates  

Dietary fibers keeps your digestion system intact whilst Carbohydrates, such as white bread or crackers are digested easily quickly releasing a whole bunch of glucose into your blood.

Having a good diet means stronger bones and teeth a good and a healthy heart. Having fruits and vegetables will keep your diet balanced and healthy

For example:

Watermelon has a high water content it can help to reduce blood pressure, reduce blood sugar levels, fights cancer and cleans kidneys. It has vitamins A, B6, C and magnesium  

Cucumber: Reduces cholesterol, Promotes digestion, Cures diabetes, Controls blood pressure

Lemon: Eliminates bad cholesterol, Acts as a blood purifier, Nourishes hair, Stops internal bleeding

one day because their over eating or whenever it kicks in their body

the aorta is the large artery leaving the heart branches into smaller arteries, which eventually branch into capillaries.the arteries carry oxygen and nutrients away from your heart, to your body's tissues. the capillaries are small, thin blood vessels that connect the arteries and the veins. the statement that arteries carry oxygen-rich blood to capillaries is true. veins on the other hand are blood vessels that take oxygen-poor blood back to the heart.