The wall of the difestive system.
Absorption.
Yes.
The small intestine is to nutrient absorption as the blood is to nutrient distribution.
the pulmonary artery sends blood to the lungs.
no
The right ventricle sends deoxygenated blood to the lungs.
The definition of absorption in the digestive tract is is the process by which nutrient molecules pass through the wall of your digestive system onto your blood
The total weight of a food item includes not only the weight of the nutrient molecules but also water, fiber, and other non-nutrient components. Nutrient molecules like carbohydrates, proteins, and fats only make up a portion of the total weight because they are typically smaller molecules that are densely packed with energy. This is why the grams of nutrient molecules in a food may not add up to the total weight of the food item.
Carbohydrates (:
Your heart pumps blood throughout your body.
Arteries
Nutrient molecules pass from the small intestine into the through tiny structures called villi.