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Questions and Answers
What is the system in the human body responsible for?
What is the system in the human body responsible for?
- Transport of oxygen to the cells
- Synthesis of hormones
- Digestion and absorption of nutrients (correct)
- Muscle movement and coordination
Which of the following is a major function of the circulatory system?
Which of the following is a major function of the circulatory system?
- Transporting nutrients and oxygen to the cells (correct)
- Converting food into usable energy
- Filtering waste materials from the blood
- Regulating body temperature
What is the main function of the muscular system in the human body?
What is the main function of the muscular system in the human body?
- Storing energy reserves
- Producing enzymes for digestion
- Supporting and protecting internal organs
- Generating movement and maintaining posture (correct)
What is the purpose of a simple machine?
What is the purpose of a simple machine?
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Which of the following best describes the concept of mechanical advantage?
Which of the following best describes the concept of mechanical advantage?
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In the context of engineering, what does the term 'efficiency' refer to?
In the context of engineering, what does the term 'efficiency' refer to?
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Study Notes
Human Body Systems
- The circulatory system is responsible for transporting oxygen and nutrients to cells and removing waste products.
- The circulatory system has the major function of delivering oxygen and nutrients to cells and removing waste products.
Muscular System
- The main function of the muscular system in the human body is to facilitate movement and stabilize the body.
Simple Machines
- The purpose of a simple machine is to change the direction or magnitude of a force, making it easier to accomplish a task.
Mechanical Advantage
- Mechanical advantage refers to the multiplication of force or speed, or the change in direction of a force, which makes it easier to accomplish a task.
Efficiency in Engineering
- In the context of engineering, efficiency refers to the ratio of the output of a system to its input, with higher efficiency indicating a greater output for a given input.
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