1. Energy balance is defined in the text book. It is stated, “When energy in balances with energy out, a person’s body weight is stable”. Let’s explore the ways that energy is taken into the body and the ways that energy is taken out of the body. After studying this idea of energy balance you will see that there are many factors, not simply just calories, involved. a. Using your text book as a resource, please explain how food composition (aka, calories) and food intake are involved in energy balance. • Food composition is an important part of the energy balance. It is important for people to eat healthy foods and follow the food pyramid. Food is burned and once that happens, energy is released. The energy released is in the form of …show more content…
Next, explain how basal metabolism, physical activity, and adaptive thermogenesis are involved in energy balance. • Basal metabolism is important in energy balance because it controls energy and keeps your internal organs functioning properly. It is important to keep your body satisfied with foods and drinks so that when you are doing other things such as sleeping the body still has enough energy stored to keep all of your vital organs going. Without this your organs with fails which would eventually lead to death. It is important for people to stay healthy and provide the body with proper nutrients. The healthier a person is, the easier it is for the body to produce energy for things such as physical activity. Physical activity is important and keeps the body strong. The amount of energy expenditure depends on the type of physical activity, duration, intensity and frequency. It is important for each person to get at least an hour of physical activity a day. Age, growth, gender are all important factor when estimating energy requirements. Adaptive thermogenesis is some sort of adjustment that the body has to make in regards to energy when focusing on changes in the environment. Each individual is different when it comes to adaptive thermogenesis and the body reacts differently with every situation. It is important to have energy stored and ready to go for those “fight or flight” situations that may require the body to work harder. I didn’t realize how important energy balance is and it really is amazing to see just how much it helps the body keep
The respiratory system is responsible in regulating gas exchange between the body and the external environment. Differences in respiration rate indirectly influence basal metabolic rate (BMR) by providing the necessary components for adenosine triphosphate (ATP) formation (Williams et al., 2011). Observation of gas exchange were measured and recorded for two mice (mus musculus) weighing 25 g and 27 g under the conditions of room temperature, cold temperature (8°C), and room temperature after fasting using a volumeter. The rates of oxygen consumption and carbon dioxide production were measured and used to calculate BMR, respiratory quotient (RQ) and oxidation rate. The mouse at room temperature was calculated to have a BMR of 2361.6 mm3/g/hr. Under conditions of cold temperature and fasting, the BMR values decreased to 2246.4 mm3/g/hr and 2053.2 mm3/g/hr respectively. Rates of glucose oxidation increased under these treatments while rates of fat oxidation decreased. Respiratory quotient (RQ) values were calculated to determine the fuel source for metabolic activity. On a relative scale, protein or fat appeared to be the primary fuel source for all three treatments although the mouse at 8°C had the highest RQ and may have relatively used the most glucose. It was also concluded that BMR in mice are greater than in humans.
Animal metabolism consists of the utilization of nutrients absorbed from the digestive tract and their catabolism as fuel for energy or their conversion into substances of the body. Metabolism is a continuous process because the molecules and even most cells of the body have brief lifetimes and are constantly replaced, while tissue as a whole maintains its characteristic structure. This constant rebuilding process without a net change in the amount of a cell constituent is known as dynamic equilibrium (Grolier1996). In the combustion of food, oxygen is used and carbon dioxide is given off. The rate of oxygen consumption indicates the energy expenditure of an organism, or its metabolic rate (Grolier1996).
Mader, S. S. (2010). Metabolism: Energy and Enzymes. In K. G. Lyle-Ippolito, & A. T. Storfer (Ed.), Inquiry into life (13th ed., pp. 105-107). Princeton, N.J: McGraw Hill.
Food influences us in many ways. These ways include food as nutrition, how we see nature, in our culture, it is a social good, it is a source of inspiration in an artful way, food is a primordial desire, and food influences our spirituality. Food is a substance that derives from the environment in the form of plants, animals, or water. The primary function of food is to provide nourishment to an organism. It is a basic necessity that all humans want and need in order to live. Food has an intrinsic value separate from its instrumental value to satisfy human needs. Food has a significant impact on a culture. Each society determines what is food, what is acceptable to eat, and when certain things are consumed. Food is the object of hunger
The body tissues are the workers. It is their job to keep the body functioning correctly. When there is a need for more energy the workers send a signal to the administrators (and who is the administrator? The pituitary) to let the thyro...
Describe how carbohydrates are digested and absorbed and how the body regulates glucose in the
Our body needs energy to carry out its functions properly. This energy is synthesized from the food we eat. Our body breaks down the food we take in and then build up the required materials for a healthy functioning of our body. Glucose, a simple sugar or monosaccharide that is the end product of carbohydrate digestion, is a primary source of energy for living things. (Taber’s, 2005). Glucose gets absorbed from our intestines and distributed by the bloodstream to all of the cells in our body. If the supply of glucose is more than required, our body stores the excess amount of glucose as glycogen, a chain of glucose. If there is shortage in other hand, our body uses the stored...
Calories are a measurement for energy and are often measured as the heat energy absorbed from the digestion of foods (“Calories.”). Calories seen in labels of food are not measured in heat energy, but as estimated comparison of energy density (Atkins). Despite that calories are used as measurements of the energy in food, it is not the only thing t...
School, eating foods that contain whole grains and unsaturated fats will supply energy for a
When something gives us energy, it means more than to just give us the required power to work or move along for such a specific task. In biological terms, it means to have your energy be transported through your body and placed by cells into biomolecules. Biomolecules such as lipids and carbohydrates. It then stores that energy in our body.
Eating a balanced diet means obtaining the right amount of each nutrient and is an important part of good health for everyone. Most foods contain a combination of some or all of the nutrients, where amount vary depending on the food. The kind and amount of food that is consumed, affect the way a person feels and how their body
In this assessment I will be discussing the process and purpose of homeostasis in our body and how this system acts to control our blood glucose level.
People is always asking: “Why is important to have a balanced diet? Why is necessary to have a balanced diet on a daily basis? And why do professionals tend to recommend a balanced diet?” The human being has essential needs to its existence: breathing, feeding, and keeping the body in constant movement. The majority of the people are aware of this, but they do not have a balance among these things and even more important they do not eat the adequate food to keep their body healthy. Food is one of the most important factors because it gives the energy the body needs daily. In other words, few words food is the fuel that provides glucose, which is carried to each cell of the body through the bloodstream. This process is extremely important and this is influenced by the type of food that each person consumes. A balanced diet is important for human beings, and makes reference to a good nutrition with regard to the food they eat; which contains macro nutrients that are carbohydrates, fats, and proteins; these provide energy and basic materials that the body uses to grow and stay healthy.
Physiological theory is divided into two categories. Homeostasis refers to the body ‘s automatic system to maintain normal state. In order for the body to maintain normal state, it has to have water content, sugar level, salt content, protein, fat content, calcium content, and constant temperature of the blood. Another part of the physiological needs is the appetite which relates to the need of the body. When the body lacks certain chemical , then the body will have certain appetite for that need. All physiological needs are not homeostasis . The other needs are desire , sleep, and maternal need in animals. Physiological needs is considered to isolated because they are localizable and somatically (Shafritz&Hyde, 2012, p.114).
Without food you will be starving to death. With foods it keeps your body alive and kicking with the nutrients and minerals you intake it keeps your energy level at high. The food groups that contributes to the sustenance of life includes; Glow foods such as Vegetables and Fruits, Grains. Grow foods such as dairy, meat and other alternatives of meat with rich in protein that helps us grow big and strong. Go foods that provides energy such as bread rice and any other foods that primarily provides carbohydrates.