PLTW MD Vocab

Front

What are tiny infectious agents that can only multiply when they are inside a host, the living cells of plants, animals, or bacteria?

Back

Virus

Front

What part of the nervous system includes nerves and is not part of the brain and spinal cord?

Back

Peripheral nervous system (PNS)

Front

What is the branch extending from a neuron that receives signals from another neuron through a synapse?

Back

Dendrite

Front

What part of the nervous system includes the brain and spinal cord?

Back

Central nervous system (CNS)

Front

What term describes signs of disease or injury?

Back

Symptoms

Front

What is the primary function of the central nervous system (CNS)?

Back

To process and transmit information throughout the body.

Front

What is the role of the peripheral nervous system (PNS)?

Back

To connect the central nervous system to the limbs and organs.

Front

What is the function of dendrites in a neuron?

Back

To receive electrical signals from other neurons.

Front

What are the two main divisions of the nervous system?

Back

Central nervous system (CNS) and peripheral nervous system (PNS).

Front

What is the difference between a virus and a bacterium?

Back

Viruses require a host to replicate, while bacteria can reproduce independently.