Examlex
Which of the following is correct?
Blood Flow
The continuous circulation of blood through the heart and vascular system, delivering nutrients and oxygen to tissues.
Neurotransmitter
Chemical substances released by neurons that transmit signals across a synaptic gap to another neuron or to a muscle or gland cell.
Smooth Muscle
A type of muscle found in the walls of internal organs, such as the stomach and blood vessels, that contracts involuntarily.
Calcium-Calmodulin Complex
A complex formed when calcium ions bind to the protein calmodulin, playing a key role in various cellular processes.
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