Answer: The lymphatic system is composed of lymph vessels, lymph nodes, and organs. The functions of this system include the absorbtion of excess fluid and its return to the blood stream, absorption of fat (in the villi of the small intestine) and the immune system function.
Explanation:
Answer:
The glucose is the primary source of energy, which yields ATP in the presence of oxygen. The continuous intake of carbohydrates provide streamlined flow ATP that is meeting the demands of prolonged exercises.
Explanation:
Carbohydrate loading is defined as the increase in the intake of carbohydrates. Carbohydrates are stored in the form of glycogen, which is then broken down to yield glucose. Glucose is necessary to drive the vital functions of the body, such as respiration.
An athlete performing extensive exercise requires streamflow of ATP to fulfill the energy demands of the body. The metabolism of glucose provides ATP. The carbohydrates are the rich source of glucose, which in the substrate level undergoes oxidative phosphorylation and citric acid cycle. Oxygen plays a primary role in the breakdown of carbohydrates as glucose. It plays a crucial role in accepting electrons in the electron transport chain to synthesize ATP.
Thus, the continuous supply of oxygen is necessary for the metabolism of macromolecules. ATP in a higher amount is required by athletes to improve muscle performance. Thus, the stored glucose and continuous supply of oxygen are necessary to generate energy molecules.
For Further Reference:
A.The use of chemical fertilizers that are carried by runoff into rivers.
B.The logging of old-growth forests, which results in erosion.
C.The spraying of chemical herbicides that reduce carbon dioxide in the air.
D.The mining of fossil fuels, which requires digging underground tunnels
Answer:
C.The spraying of chemical herbicides that reduce carbon dioxide in the air.
Explanation:
The rapid growth of a microscopic marine alga in North Atlantic is a result of environmental changes such as the increase of carbon dioxide levels in water, a new study found.
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Answer:
Lipids.
Explanation:
Lipids are compounds with varied molecular structure, presenting several organic functions: energy reserve (energy source for hibernating animals), thermal insulator (mammals), in addition to collaborating in the composition of the plasma membrane of cells (phospholipids).
Lipids are molecules that contain high-energy bonds and are used for long-term energy storage. They can be classified into oils (unsaturated substances) and fats (saturated substances), which are found in foods of both vegetable and animal origin, as well as in fruits (avocado and coconut), soy, meat, milk and its derivatives and also in the egg yolk.
In general, all living things are capable of synthesizing lipids, however, some classes can only be synthesized by vegetables, as is the case with fat-soluble vitamins and essential fatty acids.
Lipid functions:
Stores energy; forms parts of biological membranes and waterproof coverings.