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heart-rate

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Journal Articles
The American Biology Teacher (2010) 72 (3): 176–179.
Published: 01 March 2010
...Frank Corotto; Darrel Ceballos; Adam Lee; Lindsey Vinson Students commonly test the effects of chemical agents on the heart rate of the crustacean Daphnia magna, but the procedure has never been optimized. We determined the effects of three concentrations of ethanol, nicotine, and caffeine and of a...
Journal Articles
The American Biology Teacher (1990) 52 (3): 168–170.
Published: 01 March 1990
... Student Journal 1988 Kuhn, D.J. (1987). Science education for the 21st century: A time for synthesis and new strategies. Tennessee Education, 17(1), 5-11. Kuhn 1 5 17 Tennessee Education 1987 How-To-Do-It Reading Aloud & the Heart Rate David J. Kuhn The exercise described in this...
Journal Articles
The American Biology Teacher (1980) 42 (9): 563–564.
Published: 01 December 1980
...Warren Marchioni Copyright 1980 The National Association of Biology Teachers Using the Bio-Monitor to Determine Heart Rate Warren Marchioni Montclair High School Montclair, New Jersey 07042 Electronic monitoring devices are increasingly accessible classroom tools. A variety of compact and inex...
Images
Examples of <b>heart</b>-<b>rate</b> response to relevant question “Do you believe in evo...
Published: 01 August 2015
Figure 3. Examples of heart-rate response to relevant question “Do you believe in evolution?” and control question “Have you ever cheated on a test?” Figure 3. Examples of heart-rate response to relevant question “Do you believe in evolution?” and control question “Have you ever cheated on a More
Images
Data obtained for <b>heart</b> <b>rate</b> and contraction force with an exposed frog hea...
Published: 01 August 2015
Figure 2. Data obtained for heart rate and contraction force with an exposed frog heart connected to a force transducer. The graphs show the effect of applying two drops of cold (4°C) Ringer's solution to the exposed heart (A), and Ringer's solutions containing 10 −4 M acetylcholine (B) and 10 More
Images
Data obtained for <b>heart</b> <b>rate</b> and contraction force with the phototransducti...
Published: 01 August 2015
Figure 3. Data obtained for heart rate and contraction force with the phototransduction system. The graphs show the effect of cooling the heart from 20°C (A), at a rate of about 1°C/m, and different concentrations of acetylcholine (B) and norepinephrine (C) in the frog Ringer's solution bathing More
Images
Initial <b>heart</b> <b>rate</b> (H.R.) and H.R. 20 minutes after drinking Coca-Cola (Cok...
Published: 01 August 2013
Figure 2. Initial heart rate (H.R.) and H.R. 20 minutes after drinking Coca-Cola (Coke): Experiment 2a. Figure 2. Initial heart rate (H.R.) and H.R. 20 minutes after drinking Coca-Cola (Coke): Experiment 2a. More
Images
Initial <b>heart</b> <b>rate</b> (H.R.) and H.R. after exercising for 4 minutes: Experime...
Published: 01 August 2013
Figure 3. Initial heart rate (H.R.) and H.R. after exercising for 4 minutes: Experiment 2b. Figure 3. Initial heart rate (H.R.) and H.R. after exercising for 4 minutes: Experiment 2b. More
Images
Effects of  (A)  ethanol,  (B)  nicotine, and  (C)  caffeine on <b>heart</b> <b>rate</b> ...
Published: 01 March 2010
Figure 2. Effects of (A) ethanol, (B) nicotine, and (C) caffeine on heart rate in Daphnia . Arrows mark the time when the test substance was applied (between 30 and 32 minutes after the experiment began) and removed (30 minutes later). Heart rates are shown as mean percentages of the More
Journal Articles
The American Biology Teacher (2017) 79 (8): 645–653.
Published: 01 October 2017
... pharmacological drugs on heart rate and contractility. Classical embryological micro-techniques, explantation of the embryo, surgical removal of the beating heart, isolation of the heart chambers, and more advanced tissue culture methods are also conducted. In this laboratory paradigm, students work in pairs to...
Images
Effects of 0.05 M caffeine on the <b>heart</b> <b>rates</b> of  D. magna  at 2, 5, and 15...
Published: 01 January 2017
Figure 9. Effects of 0.05 M caffeine on the heart rates of D. magna at 2, 5, and 15 minutes. Figure 9. Effects of 0.05 M caffeine on the heart rates of D. magna at 2, 5, and 15 minutes. More
Images
<b>Heart</b> <b>rates</b> of individual  Daphnia  before, during, and after exposure to n...
Published: 01 March 2010
Figure 3. Heart rates of individual Daphnia before, during, and after exposure to nicotine at (A) 1 mM and (B) 50 mM. Arrows mark the time when the test substance was applied (between 30 and 32 minutes after the experiment began) and removed (30 minutes later). The data shown in Figure 3B More
Journal Articles
The American Biology Teacher (2015) 77 (6): 413–420.
Published: 01 August 2015
...Figure 3. Examples of heart-rate response to relevant question “Do you believe in evolution?” and control question “Have you ever cheated on a test?” Figure 3. Examples of heart-rate response to relevant question “Do you believe in evolution?” and control question “Have you ever cheated on a...
Journal Articles
The American Biology Teacher (2013) 75 (6): 402–405.
Published: 01 August 2013
...Figure 2. Initial heart rate (H.R.) and H.R. 20 minutes after drinking Coca-Cola (Coke): Experiment 2a. Figure 2. Initial heart rate (H.R.) and H.R. 20 minutes after drinking Coca-Cola (Coke): Experiment 2a. ...
Journal Articles
The American Biology Teacher (2017) 79 (1): 35–40.
Published: 01 January 2017
...Figure 9. Effects of 0.05 M caffeine on the heart rates of D. magna at 2, 5, and 15 minutes. Figure 9. Effects of 0.05 M caffeine on the heart rates of D. magna at 2, 5, and 15 minutes. ...
Journal Articles
The American Biology Teacher (2020) 82 (2): 93–101.
Published: 01 February 2020
... show that evangelical Christians have some of the lowest rates of acceptance of evolution, with only 24% of respondents agreeing that evolution is the best explanation for the origins of human life on Earth ( Pew Research Center, 2009a ). Features of evangelicalism known to promote an anti-evolution...
Journal Articles
The American Biology Teacher (2019) 81 (6): 449–451.
Published: 01 August 2019
... given physiology laboratory course. Does stress level affect resting heart rates, resting respiratory rates, and reflex times between high- and low-stress groups? What differences are seen in reflex times (auditory, visual, and patellar) and in resting and recovery rates of the cardiovascular and...
Journal Articles
The American Biology Teacher (2019) 81 (6): 430–434.
Published: 01 August 2019
... legally contain ( Rath, 2012 ). This is a major concern and problem for the health of youth because energy drink consumption can cause adverse health effects, including headaches, anxiety, heart palpitations, chest pain, increased heart rate, nausea, insomnia, anxiety, hallucinations, nervousness...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2019) 81 (2): 79–87.
Published: 01 February 2019
.... & Lanner, F. ( 2017 ). Biotechnology: at the heart of gene edits in human embryos . Nature , 548 , 398 – 400 . Wray, G.A. , Futuyma, D.A. , Lenski, R.E. , MacKay, T.F.C. , Schluter, D. , Strassman, J.E. & Hoekstra, H.E. ( 2014 ). Does evolutionary biology need a rethink? Counterpoint...
Journal Articles
The American Biology Teacher (2018) 80 (9): 661–667.
Published: 01 November 2018
... and rated the activity after completion of modules. No incentives were given for the students’ responses to the modules. Surveying was done using the Likert scale from 1 to 5, with 1 being strongly disagree and 5 being strongly agree. Table 3 shows the questions that were asked for the survey and...