reviewer

• digestive

  A) mouth

  B) pharynx

  C) liver

  D) gallbladder

  E) large intestines

  F) anus

  G) salivary glands

  H) esophagus

  I) stomach

  J) pancreas

  K) small intestines

  L) rectum

  
• Mechanical Digestion

  -Physical Digestion

  -Chewing, tearing or breaking down of food using the teeth.

   
• Chemical Digestion

  -Uses enzymes in digestion
• Teeth-Mechanically breaks down food into smaller pieces

   
• Tongue

  -Mixes food with saliva
• Salivary Glands

  -Glands that produces saliva
• Esophagus

  -25-cm long muscular tube that connects the pharynx to stomach
• Peristalsis

  • Series of wave-like muscle contractions that move food through the digestive tract.
• Stomach

  J-shape muscular bag that stores and breaks down food into smaller pieces.

  Mixes food with gastric juices that contains enzymes to break down proteins and lipids

  • Food stored in stomach is called chyme

   
• Small Intestine

  • Part of intestine where 90% of digestion and absorption occurs.

   
• Villi

  • Small finger-like structure in the small intestine that absorbs nutrients from food.
• Large Intestine

  • Absorbs nutrients left behind by the small intestine

   
• Rectum

  -Holds feces before it is expelled.

   
• Anus

  -An opening in which solid waste matter leaves the body.

   
• Liver

  Produces bile

  • Bile aids in digestion of fat
• Gall Bladder

  • Stores bile from the liver and releases it into small intestine.
• Pancreas

  • Produces digestive enzymes to digest fats, carbohydrates, and proteins.
• cells

  A) interphase

  B) phropase

  C) metaphase

  D) anaphase

  E) telophase

  F) cytokinesis