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scoray [572]
2 years ago
9

Which contraceptive method is effective to avoid pregnancy in women?

Biology
1 answer:
finlep [7]2 years ago
8 0

Explanation:

I think the answer is contraceptive pills but not sure

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Increasing the volume of air that reaches the alveoli and takes part in gas exchange will cause blood pH to:
Karolina [17]

Answer:

B. increase, because the partial pressure of CO2 in the blood will decrease.

Explanation:

The presence of carbon dioxide gas in blood imparts H+ ions due to its reaction with H2O and thereby, lowers down the blood pH.

When more air reaches alveoli, the rate of gaseous exchange is increased. More of the carbon dioxide is removed from the blood and is released out of the body via exhalation.

Removal of carbon dioxide from blood would increase the pH of the blood since the partial pressure of CO2 in the blood would decrease.

8 0
2 years ago
Based on Earth's geology what
Pavlova-9 [17]
A. stream erosion Just think about how the Grand Canyon was maid
8 0
3 years ago
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What role do nerve cells play in the human body? They allow the body to react to stimuli. They regulate the exchange of chemical
Alex

The right option is; They allow the body to react to stimuli.

Nerve cells, (also called neurons) are specialized cells that are found in their millions in the nervous system. Nerve cells are created to stimulate other cells in the body.  They transmit messages in the form of electrical signals within the body, and they allow the body to respond to stimuli. Neurons are grouped into three types which are; sensory neurons, motor neurons and association neurons.

5 0
3 years ago
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Im Wich organ in the lymphatic system does the breakdown of damaged red blood cells take place
Alexxandr [17]

The angle bisector theorem is commonly used when the angle bisectors and side lengths are known. It can be used in a calculation or in a proof. An immediate consequence of the theorem is that the angle bisector of the vertex angle of an isosceles triangle will also bisect the opposite side.


4 0
3 years ago
Which of the following are among the most common second messengers?
frosja888 [35]

Answer:

The correct answer would be calcium ion and cAMP.

Secondary messengers refers to the intracellular signaling molecules which pass the signals from the receptors located on the surface of the cell to the target molecule present within the cell.

The secondary messengers can be classified into three major class:

  1. Cyclic nucleotide for example cAMP (cyclic adenosine monophosphate), cGMP (cyclic guanosine monophosphate)
  2. DAG (diacylglycerol) and IP₃ (inositol triphosphate)
  3. Calcium ions (Ca⁺⁺)  

Hence, from the given options, calcium ion and cAMP would make the correct choice.

3 0
3 years ago
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