Human body systems

Chemical messengers secreted by glands into the blood

A muscular tube that connects the mouth to the stomach

Part of digestive system where water is absorbed from food & remaining material eliminated

Large organ just above the stomach that produces bile

Collection of glands that secrete hormones that regulates growth & homeostasis

Large muscular sac that continues the mechanical and chemical digestion of food

Organ that completes the chemical digestion of food & absorbs nutrients

Fluid produced by the kidneys, containing water and wastes

System that Regulates body responses to internal & external stimuli

A blood vessel that carries dirty blood back to the heart

The system that removes waste from your body & controls water balance

Body system that breaks down food and absorbs nutrients

Specialized proteins that speed up chemical reactions in your body

The two bean-shaped excretory organs that filter wastes (urea) from the blood

The wind pipe; a passage through which air moves into the lungs