Short Q/A Coordination and Control

How is the spinal cord protected?

Spinal cord is protected by: By the vertebrae (spine bones) By cerebrospinal fluid (CSF) By meninges (protective membranes) Related Questions: Differentiate between the following: Cerebrum and cerebellum Sensory and motor neuron Voluntary and involuntary action Nerve impulse and hormonal transmission Short-sightedness and long-sightedness Rods and cones Endocrine glands and exocrine glands Negative and positive feedback … Read more

Why do you feel dizzy when you stop suddenly after rotating your head fast?

The fluid in the semicircular canals of the ear continues moving, confusing the brain and affecting balance. Related Questions: Differentiate between the following: Cerebrum and cerebellum Sensory and motor neuron Voluntary and involuntary action Nerve impulse and hormonal transmission Short-sightedness and long-sightedness Rods and cones Endocrine glands and exocrine glands Negative and positive feedback mechanisms … Read more

Give the proper biological names for each of these parts of the eye: (a) Light-sensitive layer (b) Controls the amount of light entering the eye (c) Delicate, transparent layer at the front of the eye (d) Tough, white, outer layer of the eye (e) Jelly-like substance that keeps the eye in shape (f) Carries nerve impulses to the brain (g) Black middle layer

Here are the proper biological names for each of the parts mentioned: (a) Light-sensitive layer: Retina (b) Controls the amount of light entering the eye: Iris (c) Delicate, transparent layer at the front of the eye: Cornea (d) Tough, white, outer layer of the eye: Sclera (e) Jelly-like substance that keeps the eye in shape: … Read more

Is it good that impulses travel in only one direction? Why?

Yes, because it ensures proper signal transmission and prevents confusion in the nervous system. Related Questions: Differentiate between the following: Cerebrum and cerebellum Sensory and motor neuron Voluntary and involuntary action Nerve impulse and hormonal transmission Short-sightedness and long-sightedness Rods and cones Endocrine glands and exocrine glands Negative and positive feedback mechanisms Why do plants … Read more

Name the endocrine glands.

Name of the endocrine glands are: Pituitary gland Thyroid gland Adrenal gland Pancreas Parathyroid gland Ovaries/Testes Related Questions: Differentiate between the following: Cerebrum and cerebellum Sensory and motor neuron Voluntary and involuntary action Nerve impulse and hormonal transmission Short-sightedness and long-sightedness Rods and cones Endocrine glands and exocrine glands Negative and positive feedback mechanisms Why … Read more

Name the components of a reflex arc.

The names of components of a reflex arc are: 1. Receptor (detects stimulus) 2. Sensory neuron (carries impulse to CNS) 3. Interneuron (processes the impulse) 4. Motor neuron (carries impulse to effector) 5. Effector (muscle/gland responds) Related Questions: Differentiate between the following: Cerebrum and cerebellum Sensory and motor neuron Voluntary and involuntary action Nerve impulse … Read more

How is the brain protected?

By the skull (cranium) By cerebrospinal fluid (CSF) (shock absorption) By meninges (protective membranes Related Questions: Differentiate between the following: Cerebrum and cerebellum Sensory and motor neuron Voluntary and involuntary action Nerve impulse and hormonal transmission Short-sightedness and long-sightedness Rods and cones Endocrine glands and exocrine glands Negative and positive feedback mechanisms Why do plants … Read more

Name two functions of the cerebellum.

Two functions of the cerebellum are: 1. Maintains body balance. 2. Controls coordination of voluntary movements.   Related Questions: Why do plants have a very slow response to stimuli? Name the parts of the human brain. How is the brain protected? Name the components of a reflex arc. Name the endocrine glands. What is negative … Read more

Name the parts of the human brain.

Cerebrum (largest part, controls thinking and voluntary actions) Cerebellum (controls balance and coordination) Medulla Oblongata (controls involuntary actions like breathing) Pons (connects brain parts) Related Questions: Differentiate between the following: Cerebrum and cerebellum Sensory and motor neuron Voluntary and involuntary action Nerve impulse and hormonal transmission Short-sightedness and long-sightedness Rods and cones Endocrine glands and … Read more