Nervous and Endocrine Systems quiz

To answer these questions, read your books on pages 817-819.
I.    Answer these questions
1.    What is the definition of the Nervous System?
2.    What is the definition of the Central nervous system?
3.    What is the definition of the Peripheral nervous system?
4.    What is the definition of the Endocrine system?
II.   Answer to this questions
1.      Analyze. What stimuli cause you to sweat and cause your pupils to shrink (become smaller?
2.      How can messages from the endocrine system reach cells throughout the body?
3.      Your hand jerks (move suddenly) away from a hot surface. Do you think the message was sent by the nervous or endocrine system? Explain.
To answer these questions, read your books on pages 817-819.
III. Read carefully and say if the sentences are True (T) or False (F) 
1.    Most neurons have three main parts: cell body, dendrites and the axon.  ________
2.    Neurons can have more than one dendrite.  ________    
3.    Sensory neurons pass messages from the nervous system to other tissues in the body, such as muscles. ________          
4.    Schwann cells are kind of specialized cells.  ________    
5.    The collection of Schwann cells is called myelin sheath. ________   
6.    The axon terminal contains chemical-filled vesicles. _________
7.    Neurotransmitters are the chemical signals of the nervous system.________
8.      A threshold ensures that action potentials are not produced unless the neuron has received enough stimulation. _________
II.   Answer the following question about “Neuron”.
1.   What is a neuron?
2.   What are dendrites?
3.   What is the function of the axon
4.   How many types of neurons are there? Write them and explain each of them.
5.   How does a neuron’s shape allow it to send signals across long distances?
6.  How many types of neurons are there? Write them and explain each of them. (3 points)
7.   How do the neurotransmitters generate an impulse in an adjacent neuron?















Endocrine glands secrete hormones that act throughout the body.
Endocrine Gland
Location
Main Function
  1. hypothalamus 
brain
growth, reproduction
  2. pituitary
brain
cell division, protein synthesis, bone growth
absorption of water from kidneys
  3.  thyroid
neck
metabolism, digestion, bone formation
  4. thymus
chest
white blood cells
  5.  adrenals
above kidneys
blood pressure, breathing rate, fight-or-flight response
 6. pancreas
between stomach and intestines
digestion and glucose metabolism
 7. gonads
pelvis
sexual development and functions