I don't see what you are asking by asking 'What if....' The human brain is certainly about the size of a large grapefruit.
Your brain is about the size of your two fists put together. The brain weighs about 3 pounds. The brains surface area is about four standard sheets of paper.
a stegasauruses brain is as big as a cats brain
At 2 months of pregnancy, the average size of a woman's stomach is about the size of a grapefruit.
At 3 months of pregnancy, the average size of a woman's stomach is about the size of a grapefruit.
A brain arachnoid cyst is considered large if it measures more than 5 cm in diameter. Small arachnoid cysts are typically less than 1 cm in size. The size of the cyst can affect symptoms and treatment decisions.
Either a grapefruit or an orange
Lucy's brain was approximately one-third the size of a modern human brain.
It can be
no it actually probably had a large brain (which would be normal for its size)
grapefruit
its the size of a sesame seed.
Human intelligence is attributed to having a large brain and also having a large ratio of brain size to body size.
Your brain is about the size of your two fists put together. The brain weighs about 3 pounds. The brains surface area is about four standard sheets of paper.
A guinea pig's brain is 4 grams in weight.
Visually, about the size of baseball. The average dimensions of the cranial vaults I've seen are about 4" long, 3" wide and 3" deep.
Isaac Newton's brain weighed about 1,300 grams, which is within the normal range for an adult's brain size. There is no evidence to suggest that his brain was exceptionally large or unique in any way.
The heart is actually a size between a grapefruit and an apple. The heart can swell when it is unhealthy and look bigger.