B cells produce antigen
t cell are helper,killer,memory cells
they hold memory of pathogens i the system
Answer:
7: The earth's spin axis is tilted with respect to its orbital plane. This is what causes the seasons. When the earth's axis points towards the sun
8: Earth without a tilt would be stratified into climate bands that would get progressively colder as you moved away from the equator.
Explanation:
i would think the answer is B.........
The general area of the body that the cranial nerves serve are the HEAD AND NECK organs.
Here are the list of the 12 Cranial nerves together with its function.
Number Name Function
<span><span>I Olfactory Nerve Smell
</span><span>II Optic Nerve Vision
</span><span>III Oculomotor Nerve Eye movement; pupil constriction
</span><span>IV Trochlear Nerve Eye movement
</span><span>V Trigeminal Nerve Somatosensory information (touch, pain) from the face and head; muscles for chewing.
</span><span>VI Abducens Nerve Eye movement
</span><span>VII Facial Nerve Taste (anterior 2/3 of tongue); somatosensory information from ear; controls muscles used in facial expression.
</span><span>VIII Vestibulocochlear Nerve Hearing; balance
</span><span>IX Glossopharyngeal Nerve Taste (posterior 1/3 of tongue); Somatosensory information from tongue, tonsil, pharynx; controls some muscles used in swallowing.
</span><span>X <span>Vagus Nerve </span>Sensory, motor and autonomic functions of viscera (glands, digestion, heart rate)
</span><span>XI Spinal Accessory Nerve Controls muscles used in head movement.
</span><span>XII Hypoglossal Nerve <span>Controls muscles of tongue</span></span></span>
