According to the food and nutrition board (fnb) of the national academy of sciences, 45% to 65% of calories should come from carbohydrates.
The diet should contain all the necessary components of diet in proper amounts. The processes of human physiology require chemical energy which is supplied by proteins, carbohydrates, lipids, vitamins and minerals. The main source of calcium is found in the dairy products. Carbohydrates can be found in a variety of foods such as grains, legumes, nuts, fruits, milk, vegetables, yogurt, and seeds.
Adults should obtain 45% to 65% of the calorie requirement from carbohydrates, 20% to 35% from fats and 10 to 35% from the proteins. The acceptable range for children are similar to the adults except that infants and younger children need a little higher amount of fat around 25 -40 %.
stomach villi and blood distribute food
Can you list the answers? Or is it a written paragraph?
Answer:
Option D, to inform readers of the reasons why the Grimms collected their tales.
Explanation:
Edgeunity.
Answer:
Circulatory system
Explanation:
From the right atrium through the tricuspid valve to the right ventricle through the pulmonary sigmoid valve to the pulmonary trunk to the right and left lungs to the capillary beds of the pulmonary veins to the left atrium to the left ventricle of the heart through the mitral valve, to the aorta through the aortic semilunar valve, to the whole body, to the systemic arteries, to the capillaries of the body tissues, to the systemic veins, to the superior cava vein and inferior cava vein, which enter the right atrium of the heart.