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Due to its high heat capacity, water is used by warm blooded animals to more evenly disperse heat in their bodies; it acts in a similar manner to a car’s cooling system, transporting heat from warm places to cool places, causing the body to maintain a more even temperature.
How does the specific heat of water influence biological systems? A high specific heat enables organisms to resist temperature fluctuations. What property of water molecules leads to the high surface tension of liquid water? Formation of hydrogen bonds between water molecules.
Finally, the high specific heat of water makes it resistant to temperature change, allowing life forms to maintain relatively constant internal temperatures. The high specific heat and surface tension of water contribute to its high boiling point, helping to keep it in liquid form for most biological processes.
Importance of specific heat to a biological system:
Living organism can survive and reproduce only if their temperatures are maintained within a limited range. For aquatic organisms the high heat capacity of water means that their environment maintains a much more stable temperature than on land.
Water has a relatively high specific heat, or heat capacity, meaning it can absorb a lot of heat before its temperature rises. This trait helps it to stabilize temperature in its surroundings. The water in every cell of the human body act as a buffer against sudden temperature changes.
Ionic bonds are not as strong as covalent, which determines their behavior in biological systems. … Hydrogen bonds provide many of the critical, life-sustaining properties of water and also stabilize the structures of proteins and DNA, the building block of cells.
Water’s high specific heat is very useful to life. If water did not have such a high heat capacity, the temperature of Earth would change violently with the changing of day to night. The oceans would become frigid at night and boil during the day. This world would be very difficult to survive in.
Explanation: Specific heat capacity is a measure of the amount of heat energy required to change the temperature of 1 kg of a material by 1 K. Hence it is important as it will give an indication of how much energy will be required to heat or cool an object of a given mass by a given amount.
Biological systems need water because it provides many functions. Water is acts as a transport medium for different molecules, cells, and other materials. … This water transports various materials like blood cells and hormones throughout the human body. Water is also essential in intra- and intercellular transport.
This high heat capacity helps protect living organisms from temperature fluctuations, moderates the earth’s climate and makes water an excellent coolant for car engines, power plants and heat-producing industrial processes.
Heat capacity is the amount of heat energy (in joules J) required to raise 1 gram of a substance by 1°C or 1 kelvin. Water has a high specific heat capacity (4.18J/g/K) compared to other substances, thus more heat is required to raise its temperature. This can be explained by water’s strong hydrogen bonds.
The sweat on the surface of the skin absorbs heat from the skin (and thus in turn from the blood). … Due to the fact water has a high specific heat capacity, sweat can extract a lot of heat from blood and can therefore be highly efficient at lowering an animals core body temperature.
The body water has an important role as a thermoregulator, regulating the overall body temperature by helping dissipate heat. If the body becomes too hot, water is lost through sweat and the evaporation of this sweat from the skin surface removes heat from the body.
High specific heat is waters ability to slowly heat up and cool down. This allows water to help maintain homeostasis in the human body. … High specific heat is important because its helps maintain homeostasis in the body which is very important, and it also helps regulate temperatures.
Water has an amazing ability to adhere (stick) to itself and to other substances. The property of cohesion describes the ability of water molecules to be attracted to other water molecules, which allows water to be a “sticky” liquid.
Without hydrogen bonds, water molecules would move faster more rapidly, with less input of heat energy, causing the temperature to increase more for each calorie of heat added. … Without the high latent heat of the oceans, regulakng global temperature, the temperature range between day and night would be extreme.
The cohesion of water molecules helps plants take up water at their roots. Cohesion also contributes to water’s high boiling point, which helps animals regulate body temperature. … On a biological level, water’s role as a solvent helps cells transport and use substances like oxygen or nutrients.
Uses of specific heat in daily life
Substances having a small specific heat capacity, are very useful as material in cooking instruments such as frying pans, pots, kettles and so on, because, when small amount of heat is applied it will heat quickly. Water used in fire fighting.
For example, more energy will be needed to heat a 5 gallon tank of water 1 degree C than would be needed to heat one cup of water by 1 degree C. On the other hand specific heat capacity will be more useful because it is the amount of energy needed to raise the temperature a gram of that object by 1 degree C.
Water is able to absorb a high amount of heat before increasing in temperature, allowing humans to maintain body temperature. -Water’s high heat capacity is a property caused by hydrogen bonding among water molecules. When heat is absorbed, hydrogen bonds are broken and water molecules can move freely.
Here are just a few important ways water works in your body:
water molecule has a bent shape. Which best explains why water has a high specific heat? Hydrogen bonds increase the amount of energy that is required for the temperature to change. … Water absorbs a lot of energy from the skin due to its high specific heat.
Water’s high specific heat can be traced to hydrogen bonding: … It needs energy to break the hydrogen bond. – Heat is released when hydrogen bonds form. As water cools, hydrogen bonds form and water vapor releases stored energy.
A degree of freedom is any form of energy in which heat transferred to an object can be stored. In a solid, these degrees of freedom are restricted by the structure of that solid. … As ice heats, that heat energy must go somewhere, and it begins to break down the structure of the solid and melt the ice into water.
Water forms fairly strong bonds with itself, for a liquid, and so has a very exothermic (negative) heat of condensation. In reverse this gives it a very high heat of vaporisation: a lot of energy is required to turn it into a gas.
Water has a higher specific heat capacity because it has less of a tendency to change in temperature. … Copper with the temperature of 60 degrees Celsius, and the same mass as that of the water in which it was placed, cooled off to 23.4 degrees Celsius.
When heat activates sweat glands, these glands bring that water, along with the body’s salt, to the surface of the skin as sweat. Once on the surface, the water evaporates. Water evaporating from the skin cools the body, keeping its temperature in a healthy range.
Drinking hot water can naturally raise body temperature, making you perspire. Sweating, therefore, flushes the toxins out of the system and also helps to clean the clogged pores in the skin.