01 / 3 · Practical Engineering
Changes in temperature also cause expansion and contraction which can lead to cracking.
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Spoken in 3 clips from 3 channels · B1–C1 · other forms: contractionsShare
One way this happens is through the activation of nerves that reduce smooth muscle contractions in the stomach.
But by blocking neurotransmitters released by interneurons, tetanus toxin causes uncontrollable muscle contractions and spasms.
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