The answer is true
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The reason why you should incluce something like a weight routine in your life and especially as a part of your exercise routine is mostly to increase your muscle mass I.
<span>a: There is a unidirectional blood flow.
d: Arteries carry blood away from the heart.
e: Veins carry blood toward the heart.</span>
The correct answer is A only. The A arrow indicated the direction of a gradient of increasing solute concentration in the interstitial fluid surrounding a nephron. Nephron is the basic function of the kidney that is why it is important to indicate the direction of the concentration gradient in which high solute concentration may take place.
