1
What is the brain?
The control center of the nervous system.
What is a Neuron?
A neuron is a nerve cell that sends and receives signals through your body.
What is the heart?
A muscle that pumps blood to the rest of the body
What is the purpose of the Nervous System?
Send and receive signals throughout the body.
What is an Axon?
A pathway to get the signal down the Neuron.
What do Dentrites do?
They are part of the neuron and receive signals.
What is the central nervous system, and what are the organs part of it?
Includes the brain and the spinal cord, together they regulate the activities of the body.
What does the Peripheral Nervous System do?
The nerves connect the CNS to the muscles, organs, and skin to help with movement and behaviors.
What are valves?
Prevent backflow of blood in the heart.
What are veins?
Thinner blood vessels that carry deoxygenated blood towards the heart.
What part of the peripheral system controls voluntary actions and reflexes.
The Somatic System
What part of the peripheral nervous system regulate involuntary actions like breathing and digestion.
The autonomic system
What are Bronchioles?
The smallest airways that act as a passageway to the Alveoli
What is the Atrium?
1 of the 2 upper chambers in the heart that receives blood from the circulatory system
What are Capillaries?
Most numerous blood vessels that connect the arteries and veins, site of exchange between the blood and lymphs.
What are Bronchi or Bronchial Tubes?
2 tubes that split off from trachea and each tube goes to a lung.
What is the Spinal Cord?
Helps carry signals back and forth between your brain and body.
What are arteries?
Thick walled blood vessels that carry oxygenated blood away from your heart
What are ventricles?
The lower chambers of the heart that receive blood from the atrium.
What is an Alveoli?
Tiny air sacs in lungs that exchange gassess ( oxygen enters bloodstream and carbon dioxide exits )
What is a Medulla ( what does it control )?
Controls the spinal cord and also controls the involuntary activities like heart rate and breathing.
2 QUESTIONS
What is a Cerbellum?
What is a Cerebrum?
Gives feedback on the body positioning based on the sensory information it received.
Controls the voluntary movements and senses, it is divided into 2 halves.
What is a Myelin Sheath?
An insulating layer the allows and protects the signal to travel safely.
What is the space between 2 neutrons called?
A synapse
2 QUESTIONS
What is a Larynx?
What is the Pharynx?
It is the voice box, it contracts and relaxes to make sound.
Its the throat and it transports air, food, and water.