Answer: its CO2 for the first one
Explanation:
Hello!
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The answer to your question is "asthma".
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In its earliest medical application, the herb from which amphetamines are derived was used as a treatment for asthma.
:)
Hectares of land used per person
Answer:
Reflex arcs
Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. Relay neurons connect sensory neurons to motor neurons. Motor neuron sends electrical impulses to an effector. Effector produces a response (muscle contracts to move hand away).