1. Reflex turning of the head is enabled by the vestibulo-cervical reflex vestib

Question

1. Reflex turning of the head is enabled by the

vestibulo-cervical reflex

vestibulo-ocular reflex

2. A sagittal section divides body space into

top and bottom

left and right

3. A frontal section divides body space into

front and back

left and right

4. A horizontal section divides body space into

front and back

top and bottom

5. Any object moving through space (such as an animal’s head) has six degrees of freedom. Three of these are translational. This means that motion can occur along the x-, y-, or z-axis. Simply put, this means moving forwards or backwards, moving sideways, ore moving up and down. The remaining three degrees of freedom are rotational, i.e. roll, pitch, and yaw. The primary sensory input for motion of the head is enabled by the

left and right retina in combination with cranial nerve pair II

left and right vestibular apparatus in combination with cranial nerve pair VIII

6. Translational motion is detected by the neuroepithelia of the

otolith organs

ampullae within the semicircular canals

7. Rotational motion is detected by the neuroepithelia of the

otolith organs

ampullae within the semicircular canals

Explanation / Answer

1- by vestibulo-ocular reflex

2- left and right because it divide in verticle plane

3- front and back i.e. ventral and dorsal respectively

4- top and bottom divide into two i.e. ventral is cut by harizontal plane

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