Daily Energy Expenditure Components
The total energy expended by the body over a 24-hour period is known as daily energy expenditure. It is primarily composed of three main components:
- Basal Metabolic Rate (BMR): The energy required to maintain vital bodily functions at complete rest (e.g., breathing, circulation, cell production).
- Thermic Effect of Food (TEF): The energy used for digesting, absorbing, and metabolizing food.
- Activity Thermogenesis: Energy expended during physical activity. This includes both planned Exercise (EAT) and unplanned Non-Exercise Activity (NEAT) like fidgeting, posture maintenance, etc.
BMR's Dominant Role in Energy Expenditure
Among these components, the Basal Metabolic Rate (BMR) consistently represents the largest share of total daily energy expenditure. In most individuals, BMR accounts for approximately 60% to 75% of their total daily calorie needs.
The energy used for physical activity (exercise and non-exercise) and the thermic effect of food, while important, contribute significantly less compared to the continuous energy demands of basic physiological functions.
Identifying the Major Contributor
Given that BMR constitutes the largest percentage (typically 2/3rds or more) of the 24-hour energy expenditure, it is the major contribution.
Similar Questions
- The __________ residing in the tendons, acts as a spring to store elastic energy when a tensed muscle is stretched.
- The force produced by a muscle would have maximum rotatory component and least amount of dislocating or stabilising component at what angle of attachment to the bone ?
- A Ligamentous or fascial shortening would result in __________ end feel while examining the range of motion of a joint :
- A Patient with Rheumatoid disease, who requires some form of support but cannot take weight through hands, wrists and elbows because of pain should be prescribed which type of crutch ?
- If you want to stimulate all the muscle fibres in a denervated muscle, which duration of impulse would be the most appropriate provided that the intensity of current is kept constant ?
- The $E_1$ dose of UV lamp is 1 minute at 100 cm. The treatment has to be given with an $E_2$ dose at 50 cm distance. What would be the duration of the $E_2$ dose ?
- Contraction of endothelial cells, mild endothelial damage, leucocyte mediated endothelial injury and transcytosis across the endothelial cytoplasm are all mechanisms which are observed during the acute inflammatory response. They all are responsible for :
- Some of the routes of administration of drug are oral, close Intra-arterial injection, Intramuscular, rectal and transdermal therapeutic systems. Out of the above which one is considered as a local route of drug administration ?
- Facial nerve, the cranial nerve VII pass through which foramen of the skull.
- The hormone that simulates production of glucocorticoids and androgens by the adrenal cortex and is secreted by anterior pituitary gland is :
Important Questions from Mixed Topic (CUET PG)
- Who was the founder of Bolshevik Communist party?
- What is the key guide to statecraft in the realist tradition?
- Chronologically arrange the events in the Cold War period.
A. Berlin Wall is constructed
B. Communist China joins the UN
C. Soviet invasion of Czechoslovakia
D. Berlin Blockade
Choose the correct answer from the options given below: Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?
