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.
Having a credible and reliable sources are important in performing research especially on the internet. This is because nowadays with just one click all information can be check on the internet however one is not sure if that is the right one that can then be validated thus there are strategies to know information if they are credible and reliable. One of it is the site one knows and trust mostly is important as it can help narrow down what you're looking for. Another would be checking on the date, select the latest one for it to be more reliable. Another would be checking the credentials for the writer as for you to be sure information provided is credible and lastly check if there are comments such as reviews from the source and the author to make sure that other people are also using the information provided which means it is reliable.
It has to be ongoing for SIX MONTHS OR LONGER to be chronic. some can be diagnosed within 12 weeks if it continueswith medication use
Answer: on the exposed surfaces of epithelial cells? Microvilli increase the surface area of the cell, usually for absorption. The cells lining the small intestine have microvilli for that purpose. Cilia wave around to help move the external medium.
Explanation:
