The neuron is the basic unit of the nervous system of the body. Its function is to send information to the brain (communication). Neurons help us to react to changes in our environment. Sensory neurons detect the pain the young woman feels and send the messages from her burned skin to her brain. Interneurons integrate the information and generate instructions how to respond.
A toxic biological substance or disease-causing organism that is hazardous to the health of people is a biohazard.
Answer:
placenta
Explanation:
Nutrients and waste products are exchanged between the mother and her baby through the placenta and umbilical cord without any mixing of their blood.
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