Nervous System Flashcards
Describe the four lobes of the brain
Frontal lobe
Parietal lobe
Temporal lobe
Occipital lobe
Describe a reflex response
- Finger touches burner
- Neurons carry information to spinal cord
- Information passed to motor Neurons
- Information goes to arm and finger
- Muscles contract and finger is pulled back
What are three functions of the frontal lobe?
Concentration, planning, and problem solving.
How much does an average person’s brain weigh?
About 3 pounds
Is Broca’s area involved in
a. vision
b. hearing
c. speech
d. balance
c. speach
Which lobe of your brain is tasked with interpreting and reacting to sensory signals?
The parietal lobe
Which lobe is connected to Broca’s area (in the frontal lobe) and helps you to understand speech?
The temporal lobe
Where is the occipital lobe located?
The occipital lobe is located at the back of the brain, behind the parietal lobe.
Which lobe is often called the visual cortex because it is the part of your brain that enables you to see?
The occipital lobe
What is the tissue connecting the two hemispheres of your brain called.
The corpus callosum.
The brain can be divided into three parts:
What are they?
The cerebrum, the brain stem, and the cerebellum.
What is the largest part of your brain?
a. the cerebrum
b. the brain stem
c. the cerebellum
a. the cerebrum
How fast does a neuron’s electrical signal travel?
a. 2 feet per second
b. 7.5 feet per minute
c. 1000 feet per hour
d. 500 feet per second
d. 500 feet per second
Which part of your brain controls involuntary functions like your breathing, heartbeat, hormones etc…
the brain stem
Nerves that bring messages from your brain to your organs and muscles are called…
motor nerves
