AP BIOLOGY

Detailed explanation-1: -Small intestine. The walls of the small intestine absorb the digested nutrients into the bloodstream. The blood delivers the nutrients to the rest of the body.

Detailed explanation-2: -Diffusion and digestion Carbohydrates, proteins and fats are made up of large molecules that cannot be absorbed by the body. In which part of the digestive system is most food absorbed? Small food molecules are usually absorbed in the small intestine, diffusing across the intestine wall and into the bloodstream.

Detailed explanation-3: -Certain animal species digest different types of meals better than others. This distinction arises from the numerous types of digestive systems present in animals. Digestion systems are classified into four types: monogastric, avian, ruminant, and pseudo-ruminant.

Detailed explanation-4: -The organs that take in food and liquids and break them down into substances that the body can use for energy, growth, and tissue repair. Waste products the body cannot use leave the body through bowel movements.