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vagabundo [1.1K]
3 years ago
6

Describe the action of neurotransmitters at a synapse.

Biology
1 answer:
OlgaM077 [116]3 years ago
3 0

Answer:

Synapse, more like MY ALLergies

Explanation:

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Cold temperature and higher pH cause the oxygen-hemoglobin saturation curve to shift high reflecting that hemoglobin releases more oxygen.

Explanation:

In higher pH i. e. neutral or alkaline and low body temperature, the hemoglobin molecule attach more oxygen to their active sites. When the temperature of the blood increases, the hemoglobin stops or reduces the binding of oxygen to their active sites and lower the saturation level.    Oxygen-hemoglobin saturation level refers to the amount of oxygen binds with the hemoglobin. This saturation decreases with increase in temperature and lower pH while saturation level increases when the temperature of the body is lower and pH is high.

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Can a adult red blood stem cell easily differentiate to become a nerve cell?
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2 years ago
What is the body’s first line of defense?
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The first line of defence includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.

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The picture represents gas exchange in the alveoli. Observe what is happening at location X.
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CO₂ is the waste product of respiration of cells. Oxygen, on the other hand, is required in cellular respiration. Therefore at the alveolar in the lungs of an organism, CO₂ will be expelled while O₂ will be taken in.

Explanation:

This occurs passively due to the diffusion gradient, CO₂ usually has a higher concentration in the blood and lower concentration in alveoli hence this gas diffuses from the bloodstream into the lungs. On the other hand, oxygen is higher in concentration in the alveoli than in the blood capillaries hence difuses into the blood and taken to the cell for respiration. The CO₂ in the lungs is then expelled through exhalation of the lungs.

Learn More:

For more on gaseous exchange in the lungs check out;

brainly.com/question/12891596

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brainly.com/question/2698578

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