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Brain and Body Size

What is the relationship between brain and body size?

In this table, all the animal heads are approximately in proportion to each other (and each respective brain is in relation to its owner). Can you look at this table and make any observations about brain and body size?

human brain human
baboon brain baboon
monkey brain monkey
camel brain camel
dolphin brain dolphin
kangaroo brain kangaroo
cat brain cat
raccoon brain raccoon
rabbit brain rabbit
squirrel brain squirrel
frog brain frog

(You can look again at this chart to see the approximate values for brain/body lengths and weights)

 

Would you rather equalize brain size or equalize body size?

 

click to equalize brain size               click to equalize body size

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Remote Ready Biology Learning Activities

Scanning electron microscope image of SARS-CoV-2

Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.

 

 

   Home

   Compare Brains
      • Why?
      • Similarities
      • Differences

   Brain vs. Body Size
      • Equalize Body Size
      • Equalize Brain Size

   Brain Slices & Slides
      • Terminology
      • Sagittal Cuts
      • Main Structures
      • Magnification

   The Neuron
      • Neurons in Animals
      • What is a Neuron?
      • Fun Facts 

   Intelligence

   Neuroscience Timeline

   Links

   Glossary

   Bibliography

   Purpose
Narrative is determined not by a desire to narrate but by a desire to exchange. (Roland Barthes, S/Z)

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