Answer: A. PULMONARY VALUE
B. TRICUSPID VALUE
C. SEPTUM
D. BICUSPID VALUE
E. AORTIC VALUE
F. AORTA
Explanation:
Answer:
A pain receptor detects the shard a glass (the stimuli) and triggers an electrical impulse along the sensory neurone. The electrical impulse reaches a synapse and neurotransmitters diffuse across the gap, triggering an electrical impulse along a relay neurone in the spinal cord. The electrical impulse reaches a synapse and neurotransmitters diffuse across the gap, triggering an electrical impulse along a motor neurone to the leg muscles (the effector). This causes the muscles to contact and lift your foot
Answer:
The answer is option A, It protects forest ecosystems.
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