Digestion and Excretion Crossword Puzzle

QUESTIONS LIST:

• pepsin : enzyme that chemically digests proteins in your food.
• large intestine : where water is reabsorbed into the blood stream.
• chemical : _ digestion is when food is broken up by acids and enzymes.
• teeth : primary part of the mouth that does mechanical digestion.
• absorption : process of nutrient molecules passing through the wall of the digestive track into your blood
• stomach : where a lot of the chemical digestion occurs.
• villi : tiny finger-like structures that help you absorb nutrients in the small intestine
• mouth : first part of the digestive system.
• enzymes : these are proteins that speed up chemical reactions.
• pancreas : produces enzymes for the small intestine
• homeostasis : keeping all your body systems in balance.
• liver : breaks down food particles and produces bile.
• urinary : _ bladder is a sack like structure that holds urine.
• peristalsis : the involuntary waves of muscle contraction that move food down the esophagus.
• small intestine : where most of the nutrients are absorbed
• mechanical : _ digestion is when food is broken up by movement.
• digestion : the process of breaking down nutrients into molecules your body can use.
• salivary : _ glands produce the saliva that starts digestion
• nephrons : the _ are like tiny filtering factories in the kidney
• esophagus : muscular tube that connects the mouth to the stomach.
• epiglottis : flap that keeps food from going down your windpipe.
• gallbladder : stores bile
• urine : watery liquid that contains wastes and urea.