Brain (A&P Lab 1) Flashcards
1,300 - 1,400 grams
How many grams does the average adult brain weigh?
3 pounds
How many pounds does the average adult brain weigh?
Male
Which brain is slightly larger, the male or female?
No
Does a larger brain equal more intelligence?
The rostral part
What is the front part of the brain referred to as?
The forehead
The rostral part of the brain is also known as what?
cerebrum, cerebellum, brain stem
What are the three main divisions of the human brain?
the cerebrum
What is the largest part of the brain?
83%
What percentage of the brain is the cerebrum?
left and right cerebral hemispheres
What parts make up the cerebrum?
Gyri
What are the folds of tissue called?
sulci
What are the shallow grooves that separate the gyri called?
have a larger surface area
what do the gyri allow the brain to do?
longitudinal fissue
what are the right and left hemispheres separated longitudinally down the middle by?
the corpus callosum
internally, the brain is joined by a thick bundle of nerves called what?
five
how many anatomically and functionally distinct lobes does the cerebrum have?
frontal parietal temporal occipital insula
what are the five lobes of the cerebrum?
pre-central gyrus
What is the very specific gyrus in the frontal lobe called?
the primary motor area of the brain
what is the precentral gyrus described as?
motor planning
voluntary mobility
memory
mood (emotions, aggression, and judgement)
what is the frontal lobe responsible for?
top part of the brain
where is the parietal lobe?
primary sensory cortex
what is the primary function of the parietal lobe?
receiving and interpreting information regarding the general senses
what is the parietal lobe responsible for?
back of the brain
where is the occipital lobe?