because that is what the peak flow meter reads after you have blown into it
yes
There are many places to purchase peak flow meters. Peak flow meters are used for asthma patients and can usually be found locally at a drugstore or mass retailer.
bad
A peak flow meter is used to measure the maximum speed at which air can be exhaled from the lungs. It is commonly used to monitor and manage conditions such as asthma and other respiratory problems.
To monitor a one's ability to breathe out air.
my sticking your fingers up your bum hole and timing it for one minute
Peak flow meters can range in price from around $15 to $60, depending on the brand and features included. You can find them for purchase at most pharmacies or medical supply stores.
te average for a 14-15 year old on a peak flow meter is 800.
peak
lassen peak
The inside of a peak flow meter typically consists of a tapered tube that narrows at one end, allowing air to flow through it. As a patient exhales forcefully into the device, the airflow causes a movable indicator or piston to slide along a scale, measuring the peak expiratory flow rate. The scale is usually marked in liters per minute, enabling users to easily read their airflow measurements. The design is simple and portable, making it easy for individuals to monitor their lung function at home.