Physiological biological rhythms
Biological Rhythms, synchronized with the natural, called circadian (circadian) tsirkatidalnymi (okoloprilivnymi) tsirkalunarnymi (lunar) tsirkaannualnymi (okologodovymi, Sozonov). All of them are physiological.
Allocate biological rhythms high, medium and low frequency.
In humans, there are about 500 of biological rhythms.
Biological rhythms have high frequency intervals ranging from fractions of a second to 30 minutes. An example is the rhythm of the electrical activity of the brain, muscles, heart, respiratory. They are estimated using appropriate technology - electroencephalography, electrocardiography, electromyography, etc.
Biological Rhythms High frequencies have a frequency of from 30 minutes to 6 hours. Examples are ultradian rhythms (from 30 min to 20 h) rest and activity interlace neonatal phase slow and rapid sleep general motor activity of the excretory renal function (approximately 90 minutes), circadian (about 20-28 hours) the body temperature, the frequency heart rate, blood pressure, health, etc.
Okologodovye rhythms function as a one-year adjustment to climate and its impacts, while not absolutely necessary to sustain life, however, create the conditions for survival in the environment.
Physiological classification of biological rhythms:
- ultradian (20 hours)
- Circadian (circadian - 20 -28 hours)
- infradiannye (28 hours - 10 days)
- tsirkasemiseptannye (28 hours - 3.5 days)
- tsirkaseptannye (3.5 - 10 days)
Biological Rhythms form a variety of different periodicity, exciting time domain of a second to decades. With the lengthening of periods increases their complexity and amplitude of oscillation.
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AP Biology Lab 10: Physiology of the Circulatory System
Paul Andersen shows you how to use a sphygmomanometer to measure the systolic and diastolic blood pressure. The the describes the elements of the laboratory portion. The temperature is gradually lowered and the respiration rate of a goldfish is measured.
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