Four scientists collected data on the blood pressure of 30
people.
Which scientist most likely had a problem with
experimental design?
100
Scientist 1
Scientist 2
O
O
O
Scientist 1
Scientist 2
Scientist 3
25
O
Scientist
Below
average
Average Above
average
Below
average
Average Above
average
Scientist 3
Scientist
88
% 50-
15
Below Average Above
Below Average Above
average
average
average

Scientist 3

Explanation:

Cas it goes from very low to high so there not on the same path

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:

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;