When a drug binds to a receptor in the body , the receptor is activated or inactivated.
Molecules such as hormones, drugs or neurotransmitters that bind to a receptor are called ligands. The binding can be specific and reversible. A ligand may activate or inactivate the receptor; activation may increase or decrease a particular cell function. Each ligand may interact with multiple receptor subtypes.
The pronunciation of the anatomic structure that conducts impulses to and from the brain and initiates reflex action to sensory information is the spinal cord.
- The spinal cord is a lengthy band of tissue that resembles a tube. It ties your brain and lowers it back together.
- Your spinal cord relays nerve messages back and forth from your brain to your body. You can experience feelings and move your body thanks to these nerve transmissions.
- The protection of the spinal cord, nerve roots, and many internal organs are the spine's three primary tasks. To keep your body upright, give it balance and structural support.
- Enable fluid movement. The spinal cord is surrounded by cerebrospinal fluid (CSF), which is additionally protected by three layers known as the meninges (dura, arachnoid, and pia mater). The spinal column, which consists of 33 bones known as vertebrae, houses the spinal cord.
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Answer: few animals can undergo both.
Start at 4 and go in this order: individual, react, stimuli, reproduce, maintain
Answer:
Sea stars can push their stomachs outside of their body and insert it into its prey allowing them to digest the food externally. This ability allows sea stars to hunt prey that are much larger than its mouth would otherwise allow.
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