Most superficial type of protection for the brain.
What is the skull
100
Controls your heartrate and breathing rate. Part of the lower brain stem.
What is the medulla oblongata.
100
Name the two channels that open/close to start and end a nerve impulse.
What is SODIUM and POTASSIUM.
100
This regulates hunger, thirst and digestion.
What is the HYPOTHALAMUS.
100
This nerve structure recieves messages from other cells.
What is the DENDRITES.
200
Protection from viruses, bacteria and other harmful substances entering the brain.
What is the BBB (blood brain barrier).
200
The cerebrum is divided into halves called _______. Both halves are covered in mounded folds called _____.
What is hemispheres & gyri.
200
Name the color of matter that moves an nerve impulse more quickly.
What is WHITE MATTER?
200
This connects the medulla to the midbrain.
What is the PONS.
200
This substance speeds up the movement of nerve messages and protects the axon.
What is MYELIN.
300
Clear liquid that provides protection and nutrients for the brain and spinal cord.
What is CSF (cerebralspinal fluid).
300
The corpus collosum has this function and this location.
What is connecting the two hemispheres of the cerebrum & just below the cerebrum/above the diencephalon.
300
Explain the pump exchange in a neuron that keeps the concentration of ions ready for a message. (include direction and amount)
What is 3 sodium OUT and 2 K IN.
300
This is the site of learning and cognition.
What is THALAMUS.
300
This is the location where neurotransmitter are stored and the space into which they are released.
What is SYNAPTIC END BULB & SYNAPSE / CLEFT
400
Amount(percent) of body's oxygen used by the brain. Include the reason why your brain needs so much oxygen.
What is 20% of body's oxygen. Used for cell respiration (breaking down glucose) to make ATP.
400
The brain section located posterior to the cerebrum, directly inferior to the occipital lobe. Name a function of that brain section.
What is the cerebellum. Controls your balance and posture.
400
The reason sodium (Na+) floods through channels during depolarization. Explain what is produced.
What is positive ELECTRICAL CHARGE (also called ACTION POTENTIAL) to create an impulse.
400
Name the areas of the brain for :
SIGHT? TASTE? HEARING?
What is OCCIPITAL = SIGHT; PARIETAL = TASTE;
TEMPORAL = HEARING
400
Which plexus provides the nerve supply for the scalp and neck? for the sciatic and rear end?
What is the CERVICAL PLEXUS & SACRAL PLEXUS?
500
Excessive accumulation of CSF within the cranium is called _______________. Describe the danger.
What is HYRDOCEPHALUS. It causes great pressure on the brain, killing neurons.
500
Name the three layers of the meninges from most superficial to deepest and name the function of the meninges.
What is dura mater, arachnoid mater, and pia mater. Function is protection.
500
Name the three types of neurons in a REFLEX ARC. Start with a sharp poke to the finger.
What is SENSORY NEURON - INTEGRATION NEURON - MOTOR NEURON.
500
Compare the CNS to the PNS by location and function.
What is CNS = brain and spinal cord has grey matter to integrate and make decisions/memories.
PNS = branching nerves in rest of body to relay messages to CNS.
500
Name the neurotransmitter for each function.
a. NATURAL PAINKILLER b. APPETITE CONTROLLER c. ADDICTIONS/PLEASURE
What is
a. ENDORPHIN = NATURAL PAINKILLER
b. SERATONIN = APPETITE CONTROLLER
c. DOPAMINE = ADDICTIONS/PLEASURE