Unit 2 Vocabulary Crossword
Fill the correct words in on
the crossword puzzle AND
write them in the space
provided by each clue.
Across
6. automatic body functions such as breathing and heart beating are
controlled by the ____ nervous system
11. this is the chemical messenger that carries messages across the
synaptic gap
12. the ____ nervous system controls your "fight or flight" response
15. the human body contains over 40 ____ neurons
18. this is the part of the brain that is in charge of sleep and
relaxation
19. the _____ nervous system is made up of all of the nerves running
throughout our bodies
20. the ____ nervous system controls voluntary movement of the skeletal
muscles
23. the ___ ___ ___ is made up of the brain and the spinal cord
1. this is the part of the brain in charge of emotions, especially
fear and aggression
2. this is the part of a neuron that receives the message
3. this is the memory center of your brain
4. the movement of a message through a neuron is called the _____
potential
5. the ____ sheath is the fatty protective coating around the axon; it
speeds up transmission of messages
7. this part of the brain is nicknamed the "little brain"; it is in charge
of balance and coordination
8. this part of your brain acts as a traffic cop, relaying incoming
information to the correct location in the brain; it is the sensory
switchboard
9. the ____ connects the brain to the spinal cord
10. _________ are the building blocks of our nervous system. They are AKA
nerve cells.
12. this is the tiny gap between the axon terminal of the sending neuron
and the dendrite of the receiving neuron
13. the three major parts of the brain are the forebrain, the hindbrain
and the ______
14. the nervous system is the body's method of _________
16. this is the part of the brain that controls your heart and lungs; it
is located in the hindbrain
17. the parasympathetic system is known as the "rest and ____" system
21. this is the "thinker"; it makes up 70% of the brain mass and is in
charge of complex thought
22. this is the part of the brain in charge of thirst, hunger, temperature
and sex drive
23. this is the largest part of a neuron; it contains the nucleus
24. the ____ activating system (or formation) is the portion of your brain
in charge of alertness and arousal
Down