blood circuit to and from the cardiac muscle.
a form of malnutrition caused by a severe shortage of protein in the diet.
a large tongue-shaped organ in the mammalian body which secretes hormones and digestive enzymes...
the part of the atmosphere that contains the ozone layer and is about 10 km above the Earth's...
the gamete-producing phase that produces the zygote from which the sporophyte emerges.
mammalian organ which filters the blood to produce urine.
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