Page 48 - 3 Adım Deneme Sınavları YDT İngilizce

YDT • İngilizce 1. ADIM • 2. DENEME

60. ---- The primary function is most likely 61. In the majority of individuals, the kidneys struggle
thermo-regulation, which is how an organism to remove excess sodium from the blood. As
keeps its body temperature within an appropriate sodium accumulates, the body holds onto water
range. The animal lives in a hot environment, and in an effort to dilute it. This raises the volume of
in order to maintain its body temperature from blood in the bloodstream as well as the amount of
getting too high, it needs to release excess body fluid around cells. ---- Over time, the added work
heat, which is stored in fluids and tissues, back and pressure could stiffen blood vessels, leading
into the environment. As the elephant flaps its to high blood pressure, stroke, and heart attack. In
ears, blood vessels close to the surface of the addition to this, it may result in heart failure.
skin of the ears can force heat out of the body.
Besides, the large external part of each ear is A) Taking in a lot of salt raises the amount of urinary
believed to help the animal hear by directing protein, which is a major risk factor for developing
outside noises to the inner ear. kidney disease.
B) The kidneys get rid of toxins in the blood and
A) The size of elephant ears is proportionate to their control how much other things are dissolved in
geographic distribution. the blood.
B) Elephant ears are almost one-sixth the size of its C) When the amount of blood goes up, the heart has
total body. to work harder, and blood vessels are put under
C) An elephant flares its ears out so as to signal a more pressure.
warning or excitement. D) Through filtration and diffusion, the kidneys
D) Each elephant’s ear has its own distinct clean the blood and keep the right number of
appearance and characteristics. substances in it.
E) The huge ears of an elephant serve several E) Hormones produced by the kidneys aid in
purposes. regulating blood pressure and control calcium
metabolism.

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