Circulatory System
Respiratory System
Nervous System
The Brain
Random
100
This tissue transports both nutrients and waste products.
What is blood?
100
This muscle causes air to enter and exit the lungs.
What is the diaphragm?
100
These nerves control involuntary functions.
What are autonomic nerves?
100
This section of the brain controls voluntary activities.
What is the cerebrum?
100
This is the space between two neurons.
What is the synapse?
200
This type of blood cell fights off pathogens.
What are white blood cells?
200
This flap prevents food from entering the esophagus.
What is the epiglottis?
200
These nerves control voluntary functions.
What are somatic nerves?
200
This section of the brain controls involuntary functions, such as heart rate.
What is the medulla?
200
This structure of neurons secretes neurotransmitters.
What is the axon terminal/terminal ending?
300
This protein is located on red blood cells. It carries oxygen and carbon dioxide.
What is hemoglobin?
300
These grape-like sacs exchange oxygen with carbon dioxide in the lungs.
What are alveoli?
300
Also known as an electrochemical message or impulse.
What is an action potential?
300
This lobe of the brain is found on the sides of the head.
What are the temporal lobes?
300
This blood vessel serves as the location of nutrient and gas exchange in the body.
What is a capillary?
400
These small cell fragments help clot blood after an injury.
What are platelets?
400
This part of the lungs connects the bronchi to the alveoli.
What is the bronchiole?
400
This feature of neurons speeds up the rate of action potentials.
What is the myelin sheath?
400
A change in the internal or external environment.
What is a stimulus?
400
During inhalation, air passes from the trachea to this section.
What are bronchi?
500
This fluid makes up 55% of blood.
What is plasma?
500
When exhaling, air passes from the trachea to this part of the respiratory system.
What is the pharynx?
500
This type of nerve cell connects sensory and motor neurons.
What is an interneuron?
500
This part of the brain is responsible for balance and coordination.
What is the cerebellum.
500
This structure receives the stimulus in the reflex arc.
What is the receptor?
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