Answer:
Target Heart Rate
Explanation:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.
Answer: The correct choice is B.
Explanation:
The aorta is the main artery that carries blood away from your heart to the rest of your body. After the blood leaves the heart through the aortic valve, it travels through the aorta, making a cane-shaped curve that connects with other major arteries to deliver oxygen-rich blood to the brain, muscles, and other cells.
Answer:
The hospitality industry commonly use a range of chemical products, for example, all-purpose cleaner, ammonia-based cleaner, bleach, metal polish, dishwashing cleaner, disinfectant, drain cleaner, glass cleaner, oven cleaner, scouring powder, deodorant and fuel.
Explanation:
The heart is the system's pump and the blood vessels are like the delivery routes and it is a muscle. The pumps are the beat. The heart is a muscle about the size of a fist and it is the muscle in the body that works the hardest. The statement that the heart muscle rests only between beats is true
