Over half of the heat loss from our bodies is due to: (a) radiation. (b) conduction. (c) convection. (d) evaporation.

Q: What is the main heat transfer mechanism between the environment and the body? How does this…

A: Heat transfer can be defined as the discipline of thermal engineering that will concern with the…

Q: What are the four mechanisms of heat loss?

A: When the environment is not thermoneutral, the body uses four mechanisms of heat exchange to…

Q: What is the principle of mass balance?

A: The law of conservation of mass or principle of mass conservation states that for any system that is…

Q: How much energy must be expended to walk, run, swim, or fly from one place to another?

A: Humans respire to breath and for the breakdown of glucose or food to generate energy in the form of…

Q: Calculate the amount of evaporation that must occur to remove 400 kcal of heat from the body.

A: Evaporation is a process that converts water into water vapour. The evaporation process occurs…

Q: Compare the four mechanisms for heat loss.

A: The body directs temperature like a heater. It is continually creating warmth and afterward…

Q: List the physiological adaptations that occur during acclimatization to heat.

A: Thermoregulation is an ability through which an organism can maintain its body temperature in a…

Q: Explain Control of Heat Loss by Radiation?

A: The heat is lost in the form of evaporation of the sweat in the body via a process called radiation…

Q: Explain the importance of thermoregulation in the body?

A: Homeostasis means maintaining a stable environment to carry out the physiological processes inside…

Q: How is metabolic rate affected by running speed and body size?

A: Metabolism is the chemical reaction occur in the organism’s body to maintain their life. In an…

Q: What is the primary advantage of maintaining a constant high body temperature?

A: Two major mechanisms accountable for controlling body temperature are behavioral and physiological…

Q: What are the main causes of heat exhaustion?

A: Heat exhaustion is a medical condition that occurs due to overheating of the body and includes a…

Q: what metabolism occurs in the body during the first three days of fasting?

A: In fasting and starvation , priorities of the body are to supply sufficient glucose to brain and RBC…

Q: Describe the factors that influence body heat production.

A: Heat production can be defined as a mechanism of generation of the side product with the help of…

Q: Compare and contrast mechanisms of heat loss with mechanisms of heat promotion, and explain how…

A: Homeostatic mechanism regulates the human body temperature. This mechanism is similar to control of…

Q: In endotherms, what controls the balance between the amount of heat lost and the amount gained?

A: Endotherms can be defined as those organisms that can alter their heat production to maintain the…

Q: Describe how each of the following parts of the hypothalamus plays a role in thermoregulation:…

A: Introduction: Our interior internal heat level is directed by a piece of our cerebrum called the…

Q: What happens when the body is stressed or increases activity? How do these systems react with…

A: Body stress influences all frameworks of the body including muscles, respiratory, cardiovascular,…

Q: What changes are exhibited by a heat-acclimatized person?

A: Ans: The heat acclimatization is the process in which persons body show physiological as well as…

Q: Stimulation of the heat-loss center causes ________.

A: Brain is an organ that is center for the nervous system. It is present in the head inside the skull.…

Q: How is heat loss is controlled by evaporation?

A: Loosing of water in the form of water vapor is called evaporation.

Q: Why does the body temperature need to be maintained within narrow limits?

A: The body temperature need to be maintained within narrow limits because:

Q: What happens if the body temperature is increased?

A: Homeostasis is the state of steady internal, chemical, physical conditions maintained by living…

Q: How do anorexia and bulimia differ from eachother?

A: Eating disorders are medical conditions that are generally considered psychological disorders in…

Q: Describe the general principles of the control of body temperature?

A: Introduction  Humans and Aves are known to be endothermic animals. Endothermic animals are those…

Q: Heat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming…

A: Heat retention, absorption, and loss can all be influenced by body shapes (surface to volume ratio),…

Q: At what human body temperature can hypothermia set in?

A: Hypothermia occurs when body temperature falls below 95 F or 35 C. It is a medical condition which…

Q: What is the equation for Total Energy Expenditure?

A: Introduction The number of calories burned by your body each day to keep you alive is known as your…

Q: When the ambient (room) temperature is very high, the human body will lose heat by

A: Thermoregulation in humans is an important aspect of homeostasis. Humans have been able to adapt to…

Q: What happens when the temperature of the body changes?

A: Metabolism describes all of chemical reactions that are important for sustaining life of a living…

Q: How does physiology regulate temperature?

A: Different organisms on this planet require different temperature for their survival.

Q: Heat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming…

A: Heat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming…

Q: Which factors influence body heat and how?

A: The importance of body temperature as a health indicator has long been recognized. Human body…

Q: The loss of heat by a body, which, as a general rule, loses heat by 1-1 ½ degrees per hour until the…

A: After death of the organism the organ systems of the body fails that causes disruption of the…

Q: Why is heat potentially dangerous to the elderly?

A: Body heat is the thermal energy that is a by-product of metabolism in higher animals, particularly…

Q: How does the maintenance of a high body temperature of the camel reduce heat gain from the…

A: Note - according to the our guidelines we are supposed to answer only one question. Kindly upload…

Q: How many kilocalories of heat does an expenditure of 679 KJ produce?

A: One kilocalorie (1 kcal or 1000 calories) is the amount of heat (energy) needed to raise the…

Q: what body functions are disrupted by extreme heat / heat stroke?

A: Humans are considered homeotherms, as the human body has the potential to maintain a constant body…

Q: How long would you have to engage in each of the physical activities to burn the calories contained…

A: Most of the snack contains 200 to 300 calories, but some heavy meal snack might contain up to 500…

Q: What do you think are the possible consequences should there be a failure in the ability of the body…

A: Metabolic Waste -- Metabolic wastes or excrements are the substances which are the remnants  as a…

Q: in what ways are  temperature and heat transfer used in health sciences?

A: Temperature and heat transfer are two important concepts in the health sciences. Temperature is a…

Q: What animal is not a homeothermic, endothermic, poikilothermic, and ectothermic? and what does this…

A: The methods of thermoregulation are all intended to bring the body to a state of homeostasis or…

Q: What does metabolism involve?

A: Metabolism: It represents the sum of the chemical changes that convert nutrients into energy and…

Q: How much free energy is lost as heatfrom the body?

A: A thermodynamic system is one which interacts with the environment and transmits energy. At least…

Q: Which method of heat exchange occurs during direct contact between the source and animal? a.…

A: Conduction, convection, radiation, and evaporation are the four heat exchange methods used by the…