I’m pretty sure the answer is C. A change in the course of a River
Answer:
Biofeedback is the process of gaining greater awareness of many physiological functions of one's own body, commercially by using electronic or other instruments, and with a goal of being able to manipulate the body's systems at will. Humans conduct biofeedback naturally all the time, at varied levels of consciousness and intentionality. Biofeedback and the biofeedback loop can also be thought of as self-regulation.[1][2] Some of the processes that can be controlled include brainwaves, muscle tone, skin conductance, heart rate and pain perceptions
Answer:
The correct answer is A.
Explanation:
For a <u>young, healthy person, weighing 70kg,</u> resting cardiac output is approximately 5 liters per minute (assuming a heart rate of 70 bpm)
70ml stroke volume x 70 beats per minute = 5 liters/min
Stroke volume is the amount of blood ejected by the left ventricle with each contraction (normal value 70ml)
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