In this lecture, the teacher explains how ATP is generated by burning carbohydrates, fats, and proteins, and what role ATP plays in muscle contraction, active membrane transport, and nerve conduction.
Phosphocreatine acts as an ATP buffer. During hypoxia, energy is used anaerobically. After intense exercise, oxygen is consumed at a very rapid rate. The instructor describes the process of using energy from cells, and the energy released into the cell is controlled by an enzyme-catalyzed reaction. The metabolic rate can be generally classified as anabolic and catabolic.
The instructor explains the storage, release, transfer and use of energy in the cell. When energy input is equal to energy, it is called energy balance. Metabolic rate can be measured by direct calorimetry or indirect calorimetry. There are various factors that affect the rate of metabolism. The metabolic rate during the basal state is called the basal metabolic rate. The basal state is a condition in which the human body has not eaten food for at least 12 hours. With age, BMR decreases in both men and women.
The minimum level of energy required for existence is called basic metabolic rate (BMR) and represents about 50 to 70 percent of daily energy. The average man, who weighs 70 pounds and lies in bed all day, uses about 1650 calories of energy. Finally, the teacher describes the energy used to process food – the thermogenic effect of food and the energy used for non-flickering thermogenesis – the role of sympathetic stimulation.
Lecture duration: 00:52:39
Released: June 2017
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Physiology is the study of the normal function of the human body. sqadia.com covers a range of topics from cell physiology to systems physiology.
All physiology lectures on sqadia.com V-Learning ™ follow standard medical books, e.g. Guide to the medical physiology of Guyton and Hall by John E. Hall.
In physiology lectures at sqadia.com, the physiologist deals with questions about hormonal influences on brain behavior and function, regulation of calcium and phosphate, and circulation.
Cellular functions and the complex regulatory process are explained using physiological flow and good quality diagrams in Powerpoint presentations (ppt).
Medical students can quickly learn physiology through sqatoon, which is a short physiology animation.