Multiple choice

The cranial capacity of humans is maximum due to _______.

  1. body weight

  2. brain weight

  3. heart weight

  4. None of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cranial capacity in humans is directly correlated with brain weight/size, not body weight, heart weight, or other factors. The larger brain size in humans accounts for the increased cranial capacity compared to other primates.