Answer:
we naturally do it for some reason
ANSWER: The heart is the key organ in the circulatory system
Answer:
1. The heart pumps about 100 gallons of blood through the body each hour – enough to fill 1,600 drinking glasses.
2. During the average lifetime, a heart pumps 1 million barrels of blood, enough to fill more than 3 supertankers
3. Every year, your heart beats approximately 35 million times. That is 100,000 beats per day and 70 beats per minute.
4. Your heart doesn’t stop when you sneeze, but a sneeze can briefly change its rhythm.
Explanation:
Quaternary ammonia (QA) sanitizers are<span> used to test the concentration of chlorine sanitizer.
How to Test:
</span><span>Dip the strip into the sanitizing solution for 10 seconds, then remove and compare to the color chart. If it reads between 100 ppm and 400 ppm, then the concentration is fine.</span>