Biology, 05.05.2020 17:26 hellokitty1647
An ultrasound unit is being used to measure a patient’s heartbeat by combining the emitted 2.0 mhz signal with the sound waves reflected from the moving tissue of one point on the heart. The beat frequency between the two signals has a maximum value of 520 hz.
Answers: 2
Biology, 21.06.2019 18:30
Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below.resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195
Answers: 1
Biology, 22.06.2019 06:30
1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.
Answers: 1
Biology, 22.06.2019 09:30
Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?
Answers: 1
An ultrasound unit is being used to measure a patient’s heartbeat by combining the emitted 2.0 mhz...
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