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Questions and Answers
What is the primary function of the digestive system?
What is the primary function of the digestive system?
- To filter waste and excess fluids from the blood
- To pump blood throughout the body
- To break down nutrients into absorbable components (correct)
- To regulate body temperature
Which of the following is NOT a function of the respiratory system?
Which of the following is NOT a function of the respiratory system?
- To regulate body pH
- To produce sound for communication (correct)
- To exchange oxygen and carbon dioxide
- To filter out dust and bacteria
What is the main function of the cardiovascular system?
What is the main function of the cardiovascular system?
- To filter waste and excess fluids from the blood
- To break down nutrients into absorbable components
- To transport oxygen and nutrients to cells (correct)
- To regulate body temperature
Which system is responsible for delivering oxygen to the body's cells?
Which system is responsible for delivering oxygen to the body's cells?
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What is the primary function of the respiratory system?
What is the primary function of the respiratory system?
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Study Notes
Digestive System
- Breaks down food into nutrients that can be absorbed and utilized by the body
- Consists of mouth, esophagus, stomach, small intestine, and large intestine
- Mechanical and chemical digestion occur in the mouth and stomach, respectively
- Absorption of nutrients takes place in the small intestine
- Large intestine responsible for water absorption and waste elimination
Respiratory System
- Brings oxygen into the body and removes carbon dioxide through breathing
- Comprises nose, mouth, trachea, bronchi, lungs, and diaphragm
- Oxygen is absorbed into the bloodstream in the lungs
- Carbon dioxide is removed from the bloodstream in the lungs
- Diaphragm contracts and relaxes to facilitate inhalation and exhalation
Cardiovascular System
- Transports oxygenated blood from the heart to the body and deoxygenated blood from the body to the heart
- Composed of heart, arteries, veins, and blood vessels
- Heart pumps blood throughout the body
- Arteries carry oxygenated blood away from the heart
- Veins carry deoxygenated blood back to the heart
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Description
Test your knowledge of the human body's digestive and respiratory systems, including their functions and components.
