Answer: d. autonomic nervous system
Explanation:
The dilation of the pupil occurs due to the radial muscles. This is controlled by the autonomic nervous system. The autonomic nervous system consists of sympathetic and parasympathetic nervous system. The sympathetic nervous system controls the dilation of pupil whereas the parasympathetic nervous system controls the contraction of pupil.
A dilation response generally involves the widening of the pupil that may be caused by the adrenaline and drugs like cocaine, MDMA, amphetamines, hallucinogens and dissociatives.
Answer:
It keeps the information organized, and easy to comprehend.
Explanation: it helps us categorize organisms so we can more easily communicate biological information. It is also a way to help scientists understand and organize the diversity of life on our planet.
Answer:
CCK stimulates pancreatic secretion through hormonal and neuronal pathways. CCK is released from I cells of the small intestine and diffuses into the blood stream where it is carried to the pancreas.
Look up the term in the Alphabetic Index (an alphabetical list of terms and their corresponding code) i think
