While the human brain makes up only _____ of the bodys weight, it requires about _____ of the bodys resources when at rest.
a. .75; 8
b. 2; 15
c. 4; 25
d. 7; 30
Question 2
Why is it thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size?
a. The earliest Homo sapiens were as intelligent as contemporary humans.
b. Although brain size has remained constant, brain density has increased.
c. The physiological cost of a bigger brain exceeds its benefit.
d. More efficient neuronal connections account for modern human advancements.
The image formed on the retina is inverted. The brain rights the image as part of the interpretation
The electrophoretic mobility of a protein on an SDS polyacrylamide gel is related to its molecular w
Brain
Organ systems of the human body.
Brain hemispheres and their functions.
A BLAST alignment between human myoglobin and human a-globin showing a 25% sequence identity