Human Body Systems

A branch of a neuron that receives incoming signals.

A dome-shaped muscle beneath the lungs that plays a major role in breathing.

Frequent, loose, or watery bowel movements.

The indigestible part of plant foods that helps maintain healthy bowel function.

The movement of particles from an area of higher concentration to an area of lower concentration.

The mechanical and chemical breakdown of food into smaller molecules.

The healthy functioning of the digestive system.

The organ system that breaks down food and absorbs nutrients.

A condition that disrupts the normal functioning of the body.