WRIST WATCH HEART RATE MONITOR : ENERGIZER WATCH BATTERIES : VICTORINOX WOMEN'S WATCHES.
Wrist Watch Heart Rate Monitor
- For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12-hour periods, and used large obelisks to track the movement of the Sun.
- Heart rate is the number of heartbeats per unit of time - typically expressed as beats per minute (bpm) - which can vary as the body's need to absorb oxygen and excrete carbon dioxide changes, such as during exercise or sleep.
- (in drug (chemical agent): Heart rate)
- pulse: the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health
- An instrument or device used for observing, checking, or keeping a continuous record of a process or quantity
- A person operating such an instrument or device
- A person who observes a process or activity to check that it is carried out fairly or correctly, esp. in an official capacity
- proctor: someone who supervises (an examination)
- keep tabs on; keep an eye on; keep under surveillance; "we are monitoring the air quality"; "the police monitor the suspect's moves"
- admonisher: someone who gives a warning so that a mistake can be avoided
not my first timex but my first heart rate monitor
watch. don't you think it's a tad too small even for my small wrist
Time - 38/365
February 7, Saturday.
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- (月) 17:26:06|
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