Advertisements
Advertisements
प्रश्न
What are the two main communications systems in an animal's body?
उत्तर
The nervous system and the endocrine system are the two main communication systems in an animal body.
APPEARS IN
संबंधित प्रश्न
What are the two parts of the vertebrate nervous system?
Name the following:
The peripheral matter of the brain.
Differentiate between:
Afferent and Efferent Nerve.
Give Technical Term:
The find cytoplasmic processes of the cell body of a neuron.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Auditory canal | (a) | Channels pressure waves of air into the middle ear. |
| (ii) | Auditory (Eustachian tube) | (b) | Collects pressure waves of air. |
| (iii) | Auditory nerve | (c) | Converts pressure waves of air into vibrations of bone. |
| (iv) | Incus | (d) | Dissipates sound waves. |
| (v) | Malleus | (e) | Equalizes pressure between the middle ear and the atmosphere. |
| (vi) | Oval window | (f) | Provide information about the spatial orientation of the head. |
| (vii) | Pinna | (g) | Transfers vibrations from a bone to a fluid. |
| (viii) | Round window | (h) | Transfers vibrations from a bone to a membrane. |
| (ix) | Semi-circular canal | (i) | Transfers vibrations from a bone to a bone. |
| (x) | Stapes | (j) | Transfers vibrations from a membrane to a bone. |
| (xi) | Tympanic membrane | (k) | Transmits action potential to the auditory cortex. |
Long answer question
Draw the neat labelled diagram of L. S. of the human brain.
______ and ______ increases the surface area of cerebrum.
What is the amount of CSF present in and around the CNS?
Which are the sensory cranial nerves?
How many spinal nerves are there, and to which groups they belong?
