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What has a nervous system but no brain 1 earthworm 2 hydra 3 cockroach 4 amoeba?
Earthworms and cockroaches have nervous systems but no brain. Hydras have a nervous system consisting of a nerve net but lack a centralized brain. Amoebas do not have a nervous system or a brain.
Does the central nervous system consist of the somatic nervous system?
No. Nervous System is comprised of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS) The PNS is comprised of the Somatic Nervous System and the Autonomic Nervous System The Autonomic Nervous System is comprised of the Sympathetic Nervous System, the Parasympathetic Nervous System and the Enteric Nervous System
The portion of the nervous system away from the central nervous system?
The peripheral nervous system is the portion of the nervous system away from the central nervous system. It consists of nerves that connect the central nervous system to the rest of the body, including sensory and motor neurons. The peripheral nervous system is responsible for transmitting information to and from the central nervous system.
The somatic nervous system is a component of what nervous system?
The somatic nervous system is a component of the peripheral nervous system. This system is responsible for voluntary movements and sensory information.
Is the brain part of the Central Nervous System or the Peripheral Nervous System?
Central nervous system. In fact, the brain is the CENTER of the central nervous system.
Do starfish have feelings too?
Most likely not. Starfish do not have a brain or central nervous system, and instead have a ganglia.
What system in a starfish's body helps them catch and hold their food?
the nervous system
Do starfish feel pain?
Nope they do not. They have only a rudimentary nervous system and do not possess the nerve endings or the brain system for the psycho-physical sensation of pain.
What has a nervous system but no brain 1 earthworm 2 hydra 3 cockroach 4 amoeba?
Earthworms and cockroaches have nervous systems but no brain. Hydras have a nervous system consisting of a nerve net but lack a centralized brain. Amoebas do not have a nervous system or a brain.
Why are echinoderms animals?
Echinoderms, such as starfish, have basal nerve ganglia that serve as a nervous system. They also have a water vascular system that acts as a circulatory system. They can reproduce, move, and digest food. Therefore, they are animals.
What organ system does the brain belong too?
The nervous system The central nervous system
What is the major difference between the vascular system of a human and a starfish?
The major difference between the vascular system of a human and a starfish is that humans have cardio vascular system and starfish have water vascular system.
Does the central nervous system consist of the somatic nervous system?
No. Nervous System is comprised of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS) The PNS is comprised of the Somatic Nervous System and the Autonomic Nervous System The Autonomic Nervous System is comprised of the Sympathetic Nervous System, the Parasympathetic Nervous System and the Enteric Nervous System
What comprises the nervous system?
The Sympathetic Nervous System and the Parasympathetic Nervous System
Do starfish have cephalization?
"Cephalization" means that the animal has a defined "head" region in which there is a lot of nervous tissue (such as the brain in humans). Sponges are not cephalized because they do not have defined head region nor do they have a central location for their nervous system. The nervous system in sponges is very loose because their cells generally work more individually as opposed to being commanded by a nervous system.
The portion of the nervous system away from the central nervous system?
The peripheral nervous system is the portion of the nervous system away from the central nervous system. It consists of nerves that connect the central nervous system to the rest of the body, including sensory and motor neurons. The peripheral nervous system is responsible for transmitting information to and from the central nervous system.
The cranial and spinal nerves form what nervous system?
the peripheral nervous system
