Dieters frequently fast in an attempt to reduce their weight.During these fasts, they often lose considerable muscle massrather than fat. Why is this so?

Q: Contrast the role of Ca2+in the contraction of a skeletalmuscle fiber and a smooth muscle cell.

A: Muscles are soft tissues present in most animals. They contain protein filaments called actin and…

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: The opposite muscle reactions occur in response to heat. Explain how?

A: Muscles tissue is the soft tissue that helps the animal body to contract and relax in the way the…

Q: Predict some specific consequences of consuming a dietthat is either deficient in protein, or too…

A: Proteins are the building blocks of the body. Proteins are required for the growth and maintenance…

Q: What does the body need to do when exercise is increased?

A: Exercise strengthens your heart and improves your circulation. The raised blood flow raises the…

Q: On a per-kilogram basis, why does a small mammal such as a shrewrequire so much more energy than…

A: The shrews are small endothermic terrestrial mammals, and they are part of the eulipotyphla order,…

Q: Why should one not start exercising immediately after a heavy meal, but should wait for at least two…

A: The body requires energy to work. Any physical work demands the availability of energy molecules…

Q: Will your muscles grow without protein

A: we  damage muscle fibers while doing exercise, Our body fuses the old and new protein strands after…

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: Which of both skeletal and smooth muscle is trig-gered by an increase in cytosolic Ca2+.

A: Muscle is that the tissue of the body that primarily functions as a supply of power. ... Muscle that…

Q: Skeletal muscle is associated to the _________________. What makes up the muscle fiber?

A: Skeletal muscle is one of the three major types of muscles the other two being are the mood muscles…

Q: Aerobic exercise causes your cells to produce carbon dioxide and water. Why can you dehydrate during…

A: Aerobic respiration A type of respiration in which the breakdown of glucose occurs in the presence…

Q: Where does the energy of the weightlifter come from and where does it go? Describe the structure of…

A: Adenosine Triphosphate ATP is the energy carrier molecule and is required for all types of cellular…

Q: Why do muscle cells use creatine phosphate insteadof glycolysis to supply ATP for the first few…

A: ATP or adenosine triphosphate provides the energy for muscle contraction.For ATP regeneration, three…

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: Describe the need for protein during the adaptation to a new, more strenuous exercise level with the…

A: Proteins are the long chain amino acids which are linked together by peptide bonds. Proteins are 16%…

Q: Unlike skeletal muscle smooth muscle Mayer spontaneously contract when it is. What feature of smooth…

A: Smooth muscle is a non-striated muscle, divided into two groups; single unit and multiunit smooth…

Q: Calculate the daily calories needed for a 150-pound person if s/he sleeps 8 hours, sits 10 hours,…

A: A calorie is a unit of energy. It is used widely in nutrition science to tell about the energy…

Q: Compare and contrast “NPO” from “fasting”.

A: NPO nil per oral or absolute rest for bowel done under medical instructions prior to surgery…

Q: oes a person who is overweight or obese have more fat cells as compared to a person that is of…

A:

Q: The amount of glycogen stored in muscles is enough for hours' exercise? A. True B. False

A: Our cells' primary fuel source is glucose. When the body does not need glucose to function, it…

Q: Calculate the protein needs of an endurance athlete weighing 71-kg consume (in grams) per day. O a.…

A: Proteins are the most abundant organic molecules found in living systems. These are naturally…

Q: Suppose that a person of weight 60 kg and height 1.4m reduces her sleep by 1 hr/day and spends this…

A: Introduction :- The weight of an object is defined as the force exerted on it by gravity in science…

Q: . Does the penguin or the mouse expend a greater proportion ofits energy budget on thermoregulation?…

A: Thermoregulation is a process which enables your body to maintain its internal core temperature. All…

Q: A bodybuilder's upper body would contain extremely well-trained fibers. A fast-glycolytic B…

A: Any exercise that causes the muscles to contract against an outside force that withstands dynamic…

Q: . What metabolic adaptations occur in response to endurance training? xplain the two theories that…

A: Endurance training is the act of exercising to increase endurance. The term endurance training…

Q: What does exercise do to your rate of metabolism

A: Metabolism determines the calorie expenditure of the body. Basal metabolic rate is the minimum…

Q: The excess ATPs are stored in muscles as CPs? A. True B. False

A: Adenosine triphosphate (ATP) is a three-phosphate nucleotide. The addition of phosphorous to the…

Q: If calcium cannot be returned to the SR quickly after a muscle contraction, how would this affect…

A: The cardiovascular system is sometimes called a blood-vascular system. In sustaining homeostasis,…

Q: Shivering is an involuntary response to lowered body temperature. What is the efficiency of the body…

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

Q: Why would a sprinter experience muscle fatigue before a marathon runner would?

A: Muscles are required in breathing, talking, running, walking, and anybody movement. Actin and…

Q: Which muscle cells would you use more of, if you train to run a marathon? O Slow twitch cells O Fast…

A: There are three types of muscle -  A. Skeletal muscle - Voluntary and striated. B. Smooth muscle -…

Q: Resistance (weight) training is recommended as part of an exercise program to lose weight and…

A: Resistance training helps with excess fat loss by increasing both after-burn after exercise and…

Q: Determine the daily basal metabolism rate of a 53-year-old man who weighs 78 kg

A: Since the height of the person in question has not been told, we consider it to be mean height for a…

Q: Animals store glucose in the form of_______?

A: The polysaccharide are large polymer molecule composed of many molecule of monosaccharides, mainly…

Q: What short-term changes in an animal’s cardiovascularfunction might facilitate using skeletal…

A: The cardiovascular system refers to the heart, blood vessels, and blood. Blood contains oxygen and…

Q: As you fatigue, the force of your muscles decreases. What physiological processes explain the…

A: Fatigue can be explained as, a temporary decrease in the ability to perm physical exercise or…

Q: Which of the following would increase the rate of heatexchange between an animal and its…

A: Radiation, conduction, convection, and evaporation are the four mechanisms through which heat…

Q: Activity Cal/m?-hr 8hrs sleeping 35 8hrs moderate physical labor 150 4hrs reading, writing, watching…

A: Basal metabolic rate refers to the number of calories your body burns each day to keep you alive.…

Q: In some fitness exercises you will build muscle mass but do not train the muscle to be effective.…

A: Muscle buildup is important for the development of strength and agility. Muscle buildup is basically…

Q: How would ine generate more muscle tension to pick up something heavy? Increase activation of motor…

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

Q: Whats would the purpose of a research study of "Consumption of whole eggs promotes greater…

A: Eggs are covered with the egg shell which made up of by calcium carbonate. Central yellow part of…

Q: Elderly people should continue to engage in weight-bearing exercises in order to:

A: Exercise is any substantial movement that improves or keeps up actual wellness and by and large…

Q: ne calcium binding protein in muscle is called:

A: Actin protein: It is found both in cytoplasm and in cell nucleus. Actin is highly abundant…

Q: Question 5:  Research:  What is a rete? (plural: retia).  Where is a rete found in the human body?…

A: Swordfish (Xiphias gladius) are large, highly migratory pelagic fish that make daily vertical…

Q: Endurance training is associated with changes in fuel metabolism during exercise. Describe the main…

A: There's a lot of well-being problems with the sedentary lifestyle where people do not practice or…

Q: Some sport enthusiasts consume excessive protein supplement. Can our body handle this? Explain.

A: Protein consumption is important for the growth of muscles. Athletes and sports enthusiasts consume…

Q: Why is it important improve our muscular fitness?

A: The ability to move and lift items is measured by muscular strength. It is determined by the amount…