Question

I really need help for homework Biology 102 and it's Due: Feb 1, 2023 at 11:59 PM EST

Question 2 and Question 3

Answer 1

Stomach:

• Begins protein digestion
• Stores food
• Receives food and breaks it down into smaller pieces
• Kills bacteria

Mouth:

• Begins starch digestion
• Digestion of all foods

Pharynx:

• Connects the respiratory to the digestive system
• Connects mouth to esophagus

Small Intestine:

• Absorbs nutrients

Large intestine:

• Stores indigestible materials
• Absorbs water

Esophagus:

• Connects the pharynx to the stomach

(2)

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(3)

Mechanical digestion:

• Begins with chewing Involves the teeth and tongue

Chemical digestion:

• Breaks down starch
• Protein carbohydrates
• Fats
• Nucleic acids
• Salivary glands produce an important substance for this type
• Requires pancreatic juices
• enzymes produced by the wall of the small intestine