Describe the findings of the chromosome studies Boveri completed including the names of the model organisms he used and why he chose these model organisms for his experiments.
What was the key conclusion of his studies that he noted in his 1914 book?

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

burning fossil fouls really decrease the carbon in the atmosphere so b