Question

Correct the following statements.
1. The human heart is a three-chambered bony organ.
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2. The oxygenated and deoxygenated blood gets mixed in the heart.
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3. A series of valves prevent the reflux of blood inside the veins.
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4. Blood platelets play an important role in protecting the body against diseases.
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5. Not all living bodies create and throw out waste from their bodies.
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6. Nitrogenous wastes come out of the human body as sweat.
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7. Urine contains almost ninety percent of urea and uric acid.
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8. Formation of excessive urine is a sign of dehydration.

Answer 1

The human heart is four chambered muscular

Answer 2

Answer:

are you from silver bells publc school

i am rugved

Explanation: