Very true.
Milk is a protein and builds up the body.
True. The left side of the heart receives oxygenated blood from the pulmonary vein and pumps it into the aorta, while the right side of the heart receives deoxygenated blood from the vena cava and pumps it into the pulmonary vein.
Here is the answer based on the given situation above. If few Guatemalans appear to be acute malnourished and in fact, they mostly appear healthy, but in reality, they are not, this is because they are not getting enough food and proper nourishment. They have the food, but it is never enough to fulfill the required amount to achieve good health. Hope this helps.