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Eleventh Grade (Grade 11) Respiration, Digestion, and Excretion Questions

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Grade 11 Respiration, Digestion, and Excretion
Grade 11 Respiration, Digestion, and Excretion
Grade 11 Respiration, Digestion, and Excretion
Where does the process of mechanical digestion begin?
  1. stomach
  2. mouth
  3. small intestine
  4. rectum
Grade 11 Respiration, Digestion, and Excretion
What is the main function of the nose?
  1. to exchange oxygen with carbon dioxide
  2. to warm and moisten the air entering the body
  3. to create the force that causes inspiration
  4. to initiate blood flow to the lungs for gas exchange
Grade 11 Respiration, Digestion, and Excretion
How is the stomach adapted for the role it plays in the digestive process?
  1. It has three strong layers of muscle tissue to produce churning.
  2. It is where symbiotic bacteria live to help break down food.
  3. It has several pockets that can collect food for later usage.
  4. It can remove unwanted particles from the food that enters so digestion will happen faster.
Grade 11 Respiration, Digestion, and Excretion
What substances are secreted from the stomach?
  1. pepsinogen, hydrochloric acid, and mucus
  2. salivary amylase and mucus
  3. pepsinogen, trypsin, and mucus
Grade 11 Respiration, Digestion, and Excretion
Where does gas exchange occur?
  1. left bronchus
  2. trachea
  3. alveoli
  4. terminal bronchiole
Grade 11 Respiration, Digestion, and Excretion
Most of digestion is completed in the
  1. esophagus.
  2. stomach.
  3. small intestine.
  4. large intestine.
Grade 11 Respiration, Digestion, and Excretion
What is the function of the pharynx?
  1. The pharynx serves as the passage between the mouth and the trachea.
  2. The pharynx is the specific location where gas exchange occurs in the lungs.
  3. The pharynx keeps foreign particles from entering the respiratory system.
  4. The pharynx is essential for maintaining proper concentrations of gases within the blood.
Grade 11 Respiration, Digestion, and Excretion
Grade 11 Respiration, Digestion, and Excretion
Which secretion is NOT an enzyme?
  1. amylase
  2. bile
  3. protease
  4. lipase
Grade 11 Respiration, Digestion, and Excretion
What organ makes bile?
  1. liver
  2. spleen
  3. gallbladder
  4. appendix
Grade 11 Respiration, Digestion, and Excretion
Where does gas exchange occur in the human respiratory system?
  1. vocal cords
  2. bronchi
  3. alveoli
  4. trachea
  5. epiglottis
Grade 11 Respiration, Digestion, and Excretion
Which action would a person have difficulty doing if they were born without salivary glands?
  1. The would have trouble digesting lipids.
  2. They would not be able to break down proteins.
  3. They would not be able to chew up their food.
  4. They would have trouble digesting large carbohydrates.
Grade 11 Respiration, Digestion, and Excretion
Another name for the urinary system is the
  1. excretory system.
  2. renal system.
  3. exit system.
  4. glomerular system.
Grade 11 Respiration, Digestion, and Excretion
Grade 11 Respiration, Digestion, and Excretion
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