The cells that hold neurons in place, remove dead neurons, and prevent poisonous substances in the blood from reaching the brain are called:

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?