BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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respiratory
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circulatory
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nervous
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integumentary
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Detailed explanation-1: -At high levels of exposure lead attacks the brain and central nervous system, causing coma, convulsions and even death.
Detailed explanation-2: -Low levels of lead can affect a child’s brain and central nervous system. At high levels, lead can cause permanent damage to the brain and nervous system. This damage can lead to seizures, loss of muscle control, and coma.
Detailed explanation-3: -In adults, lead poisoning can cause: nerve damage to the sense organs and nerves controlling the body. increased blood pressure. hearing and vision impairment. reproductive problems (e.g., decreased sperm count)
Detailed explanation-4: -Lead affects many different areas of the brain including the cerebral cortex, cerebellum and hippocampus. The structure of blood vessels in the brain may also be altered which can can lead to bleeding and brain swelling.