Answer:
The Nervous System
The basic workings of the nervous system depend a lot on tiny cells called neurons. The brain has billions of them, and they have many specialized jobs. For example, sensory neurons send information from the eyes, ears, nose, tongue, and skin to the brain.
Explanation:
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Discarded car batteries and dry-cell batteries are best described as recyclable waste.
C. NH3 - organic nitrogen
Answer: alleles
explaintion: The majority of human genes are thought to have more than two alleles. Traits controlled by a single gene with more than two alleles are called multiple allele traits
