It defines the recommended amount to eat of a particular food
The respiratory system mainly consists of the lungs. The lungs give oxygen to the body, when you inhale air. They are responsible for removing carbon dioxide from the body. The circulatory system mainly consists of the heart. The heart pumps blood through the body, giving us oxygen. The heart is responsible for pumping blood and creating new blood cells. If we did not have a heart then there would be no blood, therefore, no oxygen. If you think about it, the body's oxygen transport system takes oxygen to the working muscles, through the circulatory and respiratory systems working together. The main workers are the heart, blood and lungs. The whole oxygen transport system works in a cycle.
Answer:
Explanation:
Physical fitness is your ability to carry out tasks without undue fatigue. Learn about the components of physical fitness: cardiorespiratory endurance, muscle strength, muscle endurance, flexibility and body composition and why they are important.
Answer:
The use of a drug for nonmedical reasons
Explanation:
Jim is being treated for hypertension. Because he has a history of heart attack, the drug chosen is atenolol. Beta blockers treat hypertension by:
- Reducing vascular smooth muscle tone
