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Seventh Grade (Grade 7) Respiration, Digestion, and Excretion Questions

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Grade 7 Respiration, Digestion, and Excretion
Letter C identifies which respiratory part?
Respiratory System
  1. Pharynx
  2. Larynx
  3. Trachea
  4. Lung
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Letter K identifies what respiratory part?
Respiratory System
  1. Bronchi
  2. Aveoli
  3. Bronchioles
  4. Lung
Grade 7 Respiration, Digestion, and Excretion
Where does the circulatory system get nutrients from?
  1. Respiratory System
  2. Endocrine System
  3. Skeletal System
  4. Digestive System
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Where does the circulatory system get Oxygen (O2) from?
  1. Digestive System
  2. Endocrine System
  3. Respiratory System
  4. Skeletal System
Grade 7 Respiration, Digestion, and Excretion
What is a muscular tube that connects the mouth to the stomach?
  1. esophagus
  2. duodenum
  3. digestive tract
  4. trachea
Grade 7 Respiration, Digestion, and Excretion
This body system takes in oxygen and removes carbon dioxide.
  1. Respiratory
  2. Integumentary
  3. Lymphatic
  4. Digestive
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
What system does the gallbladder belong to?
  1. Endocrine
  2. Digestive
  3. Urinary
  4. Respiratory
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Where does the digestive system begin?
  1. Esophagus
  2. Stomach
  3. Mouth
  4. Feet
Grade 7 Respiration, Digestion, and Excretion
This system breaks down food mechanically.
  1. Urinary
  2. Reproductive
  3. Digestive
  4. Endocrine
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
What is the function of the respiratory system?
  1. To extract energy from food
  2. To breakdown food using oxygen
  3. To allow the exchange of gases between the air and the body
  4. . To circulate blood throughout the body
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Grade 7 Respiration, Digestion, and Excretion
Where is hydrochloric acid added to the food mass?
  1. mouth
  2. stomach
  3. small intestine
  4. large intestine
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