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Stimulus - receptor - sensory neuron - (dorsal) spinal cord - (ventral) spinal cord - motor neuron - muscle/effector - response

The high CO2 rate is detected by chemoreceptors in the aorta. The chemoreceptors send impulses to the medulla in the brain. The medulla then sends impulses along sympathetic neurons to the sinoatrial node...

The mitochondria is an organelle important for aerobic respiration. This is a process which uses glucose and oxygen to produce adenosine triphosphate, carbon dioxide and water. ATP is a molecule needed to...

a oxygen in water ‹slightly› negatively charged and hydrogens ‹slightly› positive b hydrogen bonding due to the dipola...

The Pacinian corpuscle is a mechanoreceptor, which means it is a sensory receptor that responds to touch, pressure or vibration. Pacinian corpuscles are found deep in the skin, and respond to both pressur...