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Do Now:

Do Now:. Receive Digestive System Packet Put your name on that bad boy Attempt the diagram on page 16.

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Do Now:

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  1. Do Now: • Receive Digestive System Packet • Put your name on that bad boy • Attempt the diagram on page 16

  2. The Amazonian giant centipede is the largest centipede alive, reaching lengths of 30 centimeters. They are carnivorous and feed on lizards, snakes, mice, and even bats. While their venom is not enough to kill an adult human, it may cause reactions with the skin.

  3. DIGESTIVE SYSTEM TIME!

  4. Function of the Digestive System: Page 4 To convert foods into simple molecules that can be absorbed and used by the cells of the body

  5. Parts of the Digestive System: Mouth – opening through which food is taken in for digestion Teeth – break down food MECHANICALLY into smaller pieces Tongue – pushes food back to the esophagus

  6. Salivary Glands: Secrete saliva, which has the enzyme salivary amylase, which starts the chemical digestion of starches

  7. Esophagus: Tube through which food passes from the pharynx to the stomach Peristalsis – muscular contractions that passes food through the alimentary canal (digestive tract)

  8. Stomach: large muscular sac where contractions mix food and enzymes and acids digest foods

  9. Mes that break Small Intestine: Portion of the digestive tract in which most of the chemical work of digestion takes place

  10. Functions of the Pancreas: • Produce hormones that regulate blood sugar • Produces enzymes that break down carbs, proteins, lipids and nucleic acids

  11. Bile: • Dissolves and disperses the droplets of fat found in fatty acids

  12. Large Intestine: • Produces a waste material known as feces

  13. Page 18

  14. Do Now: Page 11, 13, 16, and 17 in packet Homework: Page 881, 1 – 4 (and finish packet pages)

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