They have a central nervous system, I think.
no, i dont know what they are, but they are not arthropods
NO. Arthropods do not have a 4 chambered hearts.
Do arthropods have backbones?No, it is the exoskeleton that holds the arthropod's body together. arthropods are invertebrates, which means they do not have backbones.
Yes, all arthropods have brains.
Roundworms (Nematoda) are related to arthropods because they both molt.Note; Crustaceans are arthropods. :P
respond
Yes, a neuron can respond to multiple stimuli simultaneously.
The senses of taste and smell respond to chemical stimuli.
It respond to stimuli, by its own life.
The period when a muscle is unable to respond to stimuli temporarily is called the refractory period. This period allows the muscle to reset and recover before it can receive and respond to additional stimuli.
They have no cells. So they do not respond
Yes.
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The refractory period is when a muscle is temporary unable to respond to stimuli refractory period
Pigs respond to stimuli in different ways. They may oink or squeal depending on how they are stimulated. They may also run.
Sensory receptors enable you to respond to stimuli in the environment of an organism. Some sensory receptors respond to taste and smell while others respond to physical stimuli.