AP BIOLOGY

Detailed explanation-1: -The small intestine absorbs most of the nutrients in your food, and your circulatory system passes them on to other parts of your body to store or use. Special cells help absorbed nutrients cross the intestinal lining into your bloodstream.

Detailed explanation-2: -Digestive System After swallowing food, it moves down the esophagus to the stomach for digestion. Food then moves through the intestines, where the digestive system breaks down and absorbs nutrients for the body to use.

Detailed explanation-3: -Digestion occurs as food passes through a series of digestive organs and is broken down into smaller molecules that can be absorbed and distributed to cells. The blood stream transports molecules to the cells. The main organ systems that interact in nutrient absorption are the digestive and circulatory systems.

Detailed explanation-4: -The digestive system converts the foods we eat into their simplest forms, like glucose (sugars), amino acids (that make up protein) or fatty acids (that make up fats). The broken-down food is then absorbed into the bloodstream from the small intestine and the nutrients are carried to each cell in the body.