5 Questions
What is the primary function of the digestive system?
To break down nutrients into absorbable components
Which of the following is NOT a function of the respiratory system?
To produce sound for communication
What is the main function of the cardiovascular system?
To transport oxygen and nutrients to cells
Which system is responsible for delivering oxygen to the body's cells?
Circulatory system
What is the primary function of the respiratory system?
To exchange oxygen and carbon dioxide
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
Test your knowledge of the human body's digestive and respiratory systems, including their functions and components.
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