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Cranial capacity of human is
A. 1350 cc
B. 1470 cc
C. 1600 cc
D. 1700 cc

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Last updated date: 20th Jun 2024
Total views: 404.1k
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Answer
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Hint: Cranial capacity is the amount of volume of the interior of the skull of vertebrates that have a brain.
The volume of the cranium is used as an approximate indicator to measure the size of the brain.
Cranial capacity is related with age and gender.

Complete answer:
Homo sapiens are species to which human beings belong. This species ensures to have an average size of brain which is nearly about 1300 cc to 1400 cc. This brain size is considered to be smaller, as when compared with the brain size of Neanderthal. Recent humans have reached their extreme endocranial volume right after their phylogenetic origin, which happened roughly 100–150 thousand years before.
Moreover, Homo ergaster which lived from about 1.7-million to 1.4-million years ago, had a cranial capacity ranging from 800 cc to 1200 cc, with an average of about 900 cc.

Thus, the correct answer is 1350.

Additional information: Greater cranial capacity is not all the time indicative of a more intelligent creature. This is because greater capacities are essential for monitoring a greater body. In many situations greater cranial capacities are an adaptive feature for life in a colder environment.
For example: Northern latitude inhabitants of recent Homo sapiens have 20% greater visual cortex than those in the southern latitude inhabitants. This explains the difference in brain size (cranial capacities) based on their region of origin.

Note: Cranial capacity is frequently determined by filling the cranial cavity with glass beads and measuring their volume, and sometimes also by CT scan imaging.
A more precise way of determining cranial capacity, is to create an endocranial cast followed by measuring the quantity of water the cast shifts.