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For an instant, unlearned response, it does it with its reflex arc, which is made of 5 elements- (i)a receptor- a sensory organ, like an eye, ear, tongue or touch corpuscle (ii)sensory neuron, (iii)a coordinator neuron, (iv) a motor neuron and (v)an effector which normally is a muscle-either involuntary smooth or voluntary striped muscle. A receptor receives the stimulus, a sensory neuron carries the impulse in the form of an electric impulse, a coordinator neuron takes the necessary suitable action, a motor neuron carries the decision to the effector and finally the effector brings out suitable response. Lower animals lack an organized nervous system, but still the mechanism is more or less similar.
Fasciculus gracilis
Medulla oblongata, mid brain, pons
thalamus
The medull oblongata is connected directly above the begining of the brain stem and below the pons, it is part of what is known as the lower brain. It also contains the heart control centre
None actually go to the tongue... Trigeminal nerve - (V) fifth cranial nerve V1: Ophtalmic-eye, forehead and nose.1-Sensory V2: Maxillary - upper teeth, gums and lip, the cheek, lower eyelid and the side of the nose.1-Sensory V3: Mandibular - lower teeth, lower gums and lower lip.1-Sensory - Jaw.2-Motor 1SENSORY: Transmits pressure, touch, pain and temperature signals to the brain. 2MOTOR: Controls movement. http://www.tnaaustralia.org.au
lower back
the voltage above which any device starts conducting
Impulse is the force applied on an object multiplied by the time during which the force is applied. To illustrate the difference, a large force applied during a short time may have a lower impulse than a smaller force applied for longer.
the lower half of the brain stem.
For an instant, unlearned response, it does it with its reflex arc, which is made of 5 elements- (i)a receptor- a sensory organ, like an eye, ear, tongue or touch corpuscle (ii)sensory neuron, (iii)a coordinator neuron, (iv) a motor neuron and (v)an effector which normally is a muscle-either involuntary smooth or voluntary striped muscle. A receptor receives the stimulus, a sensory neuron carries the impulse in the form of an electric impulse, a coordinator neuron takes the necessary suitable action, a motor neuron carries the decision to the effector and finally the effector brings out suitable response. Lower animals lack an organized nervous system, but still the mechanism is more or less similar.
Go and see a qualified medical practitioner (a doctor) about this as soon as you can.
Fasciculus gracilis
adjusting your speed, conducting visual searches, and signaling
The lower pons is a region located in the brainstem, which is responsible for relaying sensory and motor information between the cerebrum and the medulla oblongata. It also plays a vital role in controlling certain functions such as facial expressions, sleep, and consciousness.
Medulla oblongata, mid brain, pons
Some lower invertebrates have what is called a ganglia, which is basically a poorly developed brain, but many lower invertebrates have no brain, and just connections of nerves throughout the body, which is called a nerve net.