Rat

• Lungs: Facilitate the exchange of gases during respiration; (oxygenation)
• Heart: Pumps blood throughout the body; (circulation)
• Trachea: Conducts air to and from the lungs; (airway)
• Esophagus: Passes food from the mouth to the stomach; (digestion)
• Diaphragm: Helps in breathing by contracting and relaxing; (respiration)
• Liver: Detoxifies the blood, stores nutrients, and produces bile; (detoxifies/metabolism)
• Stomach: Breaks down food with acid and enzymes; (digestion)
• Intestine: Absorbs nutrients from food and processes waste; A long, winding tube that connects the mouth to the anus. (absorption)
• Pancreas: Secretes digestive enzymes and hormones; (secretion)
• Kidneys: Filter blood, remove waste, and regulate fluid balance; (filtration)
• Urinary bladder/Ureter: Store and transport urine from kidneys to the bladder; (excretion)
• Ovaries/Uterus or Testes: Ovaries produce eggs in females; uterus supports embryo development. Testes produce sperm in males; (reproduction)