The dictionary definition for Letissmus Doris is a pair of large, roughly triangular muscles covering the lower part of the back, extending from the sacral, lumbar, and lower thoracic vertebrae to the armpits.
When the body starts to shiver, the body is slowing increasing heart rate. When your body hits cold air, your heart rate needs to rise, not only to to keep our body core temperature at 98.6 degrees but also to help guarantee to keep blood flowing up to our brains, our important muscles and internal organs.
Answer:
a neurotransmitter is a signalling molecule that is created and released by neurones and neurotransmitter travel across the synapse
a neuron is a specialised cell that transmits electrical impulses in the nervouse system
Explanation:
essentially neurotransmitter are just made by neurones, when a neurotransmitter signals another neuron this is what causes this such as muscle movement
