Digestive System Quizs

Chyme

• The solid waste expelled from the body.

• The soupy mixture of food and fluids in the stomach.

• The enzyme that breaks down proteins in the stomach.

• The bile produced by the liver.

Digestion

• The process of breaking down food into a form that can pass from the digestive tract into the bloodstream.

• The process of absorbing nutrients directly from the air.

• The process of converting food into energy without breaking it down.

• The process of storing food in the stomach for later use.

Saliva

• A liquid in the mouth that contains an enzyme to start chemical digestion.

• A type of food that is chewed in the mouth.

• A solid substance that helps in digestion.

• A gas that is released during digestion.

Nutrients

• Substances in food that the body needs for growth, maintenance, and repair.

• Vitamins and minerals that are not essential for health.

• Caloric content of food items.

• Artificial additives used in food processing.

Anus

• The opening where feces are expelled from the body.

• A part of the digestive system that absorbs nutrients.

• The muscular tube connecting the throat to the stomach.

• The organ responsible for filtering blood.

Villi

• Finger-like projections in the small intestine that absorb nutrients.

• Small sacs in the lungs that facilitate gas exchange.

• Cells in the liver that detoxify harmful substances.

• Muscle fibers in the heart that pump blood.

Peristalsis

• Rhythmic muscle contractions that squeeze food through the esophagus and intestines.

• A type of digestive enzyme that breaks down proteins.

• The process of absorbing nutrients in the small intestine.

• A condition where the stomach produces too much acid.

Digestive System

• The organs that break down food so that it can be used by the body.

• The system responsible for breathing and gas exchange.

• The network of muscles that control movement.

• The organs that filter waste from the blood.

Liver

• A small organ that produces insulin and regulates blood sugar levels.

• A large organ that makes bile, stores nutrients, and breaks down toxins.

• An organ that filters blood and produces red blood cells.

• A gland that secretes hormones and regulates metabolism.

Small Intestine

• A long, coiled tube where most chemical digestion and nutrient absorption occur.

• A short, straight tube that connects the stomach to the large intestine.

• A muscular sac that stores food before it is digested.

• A series of pouches that absorb water and electrolytes.