Author Question: While the human brain makes up only _____ of the bodys weight, it requires about _____ of the bodys ... (Read 72 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
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.



allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

ANSWER:
b

Answer to Question 2

ANSWER:
c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library