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SSSSS [86.1K]
2 years ago
5

Which minerals and gems are commonly mined in the Tropical North?

Biology
2 answers:
BartSMP [9]2 years ago
7 0

Answer:

emeralds

Explanation:

because its very tropical like trees

Komok [63]2 years ago
4 0

Answer:

Hi, There!

Which minerals and gems are commonly mined in the Tropical North?

A. diamonds

C. emeralds

D. bauxite

Those are the correct Answers! :)

xXxAnimexXx

have a great day!

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3. The human body has devised an excellent method to keep the body pH under control. a. What principle underlies the constant pH
kumpel [21]

The normal blood pH for adult humans is 7.40, and this pH value is vigorously defended at normal body temperature

Acid base Homeostasis is the method by which body keeps a constant ph
pH is kept under check via different systems
1. Chemical system :bicarbonate buffer system(explained below )
Respiratory component :
2. Respiratory Component: The second line of dense is rapid consisting of the control the carbonic acid concentration in the ECF by changing the rate and depth of breathing by hyperventilation or hypoventilation. This blows off or retains carbon dioxide (and thus carbonic acid) in the blood plasma as required

3.Metabolic component : third line of defense is slow, best measured by the base excess,eand mostly depends on the renal system which can add or remove bicarbonate ions to or from the ECF.Bicarbonate ions are derived from metabolic carbon dioxide which is enzymatically converted to carbonic acid in the renal tubular cells.There, carbonic acid spontaneously dissociates into hydrogen ions and bicarbonate ions.When the pH in the ECF falls, hydrogen ions are excreted into urine, while bicarbonate ions are secreted into blood plasma, causing the plasma pH to rise.The converse happens if the pH in the ECF tends to rise: bicarbonate ions are then excreted into the urine and hydrogen ions into the blood plasma.




Buffers usually consist of a weak acid and its conjugate base; this enables them to readily absorb excess H+ or OH–, keeping the system’s pH within a narrow range.

Maintaining a constant blood pH is critical to a person’s well-being. The buffer that maintains the pH of human blood involves carbonic acid (H2CO3), bicarbonate ion (HCO3–), and carbon dioxide (CO2). When bicarbonate ions combine with free hydrogen ions and become carbonic acid, hydrogen ions are removed, moderating pH changes. Similarly, excess carbonic acid can be converted into carbon dioxide gas and exhaled through the lungs; this prevents too many free hydrogen ions from building up in the blood and dangerously reducing its pH; likewise, if too much OH– is introduced into the system, carbonic acid will combine with it to create bicarbonate, lowering the pH.
Example: Antacids, which combat excess stomach acid, are another example of buffers.


ECF =Extra cellular fluid




5 0
2 years ago
A pronoun which points out a particular person, place, or thing is a:
Vlad1618 [11]
Demonstrative pronoun is the answer.
6 0
3 years ago
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baherus [9]

Answer:

The organelle that conduct respiration for the cell is MITOCHONDRIA.

Explanation:

The cells of living organisms are made up of different organelles, each of the organelles have specific functions, which they perform. The mitochondria is the cell organelle that is responsible for carrying out respiration in the cells. Respiration involves the breaking down of glucose molecules in order to produce energy in form of ATP. Mitochondria is also called the power house of the cell because of its function of energy production.

8 0
2 years ago
A man riding his bike had a velocity of 5 meters per second north. After 10 seconds, his velocity increased to 9 meters per seco
VashaNatasha [74]
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6 0
2 years ago
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Which list shows three components of an organ system in order of least complex to most complex?
kolbaska11 [484]

Answer:

I believe its muscle cell, muscle tissue, stomach

Explanation:

The order for organ systems from least complex to most complex is: Cell, tissue, organ, organ system. Hope this helps

7 0
3 years ago
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