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MissTica
3 years ago
7

The major role of carbohydrates in the human diet is to ?

Biology
1 answer:
4vir4ik [10]3 years ago
7 0
Carbohydrates help to give energy to the body
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Explain how both the digestive system and the urinary system work to conserve water in the human body.
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Everything that we eat and drink contains some percentage of water. So, to start, you have to know that the human body has receptors which estimate if we have enough water in our blood and cells in general. From these receptors, the information travels through the neurons to the part of the brain that is responsible for activation of different responses. 

The digestive system is important because in its lower parts, liquids are absorbed and inserted in the bloodstream. Then through the bloodstream, they travel to all parts of the body and are absorbed by cells as needed. When blood passes through the body, it gets to the kidneys where water and electrolytes are filtered, reabsorbed if needed and excreted through the urine. 

Now, if the brain has a signal that the body has a lack of liquids, it activates hormones which influence the bloodstream in both the digestive and the urinary system. In this case, the digestive system will absorb more liquids from food because the hormones will make the blood vessels in the digestive area larger, and on the other hand, we will produce less urine because the kidneys will get an assignment from the brain to filter liquids, but to reabsorb them again as much as possible. 
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2 years ago
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Which of these is a function of the xylem?
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The xylem is the structure of the plant that is responsible for transporting water from the ground up to the different parts of the plant. It is composed water, inorganic ions, and a number of organic chemicals.  
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What processes return phosphorus from the geosphere to the biosphere? Checkall that apply
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If a plant cell contains more solutes than its surrounding environment, what will happen?
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The cell will incorporate solvent - water. When a plant cell contains more solutes than its surrounding environment it means that it is in a hypertonic state, the osmotic gradient will increase and the water will tend to enter the cell augmenting the t<span>urgor pressure inside the cell wall. Ultimately, it will cause water to enter the plant and reach the cell.</span>
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The circumference of the earth (the distance around the Earth) is about 40,000 km.
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True but to be exact its 40,075
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