Week 10 Nervous System Hmwk

Which of the following are parts of neurons?

• brain, spinal cord, and vertebral column
• dendrite, axon, and cell body
• sensory and motor dendrites
• dendrite, medulla and myelin sheath

What is the central nervous system (CNS) made of?

• brain and spinal cord
• brain and cranial nerves
• spinal cord and spinal nerves
• cranial nerves and spinal nerves

Tags

NGSS.HS-LS1-2

What is the purpose of the myelin sheath on the axon?

• To maintain temperature
• To improve conductivity
• To protect the axon
• To release neurotransmitters

A chemical substance that transmits nerve impulses across a synapse 

• Neurotransmitter
• Axon
• Synapse
• Nerve

The tiny gap between neurons where nerve impulses are sent from one neuron to another.  It is where communication occurs between an axon and dendrite

• synapse
• axon terminal
• impulse
• myelin

_____, which respond to heat or cold, help regulate body temperature by signaling both surface and body core temperature

• Thermoreceptors
• mechanoreceptors
• chemoreceptors
• Pain receptors

Tags

NGSS.HS-LS1-3

_____ respond to excess heat, pressure, or chemicals released from damaged or inflamed tissues

• pain receptors
• mechanoreceptors
• chemoreceptors
• Pain receptors

There are five primary taste perceptions:

• sweet, sour, salty, bitter, and umami
• hot, cold, salty, bitter, and umami

Any region with ____ can detect any of the types of taste

• taste buds
• saliva
• blood

Humans can distinguish ____ of different odors

• thousands
• dozens
• hundreds

Tags

NGSS.MS-LS1-8