Testosterone
Growth hormone
Insulin-like growth factor
Cortisol
Dilation of the pupil occurs when the smooth cells of the radial muscle, controlled by the sympathetic nervous system (SNS), contract. Constriction of the pupil occurs when the circular muscle, controlled by the parasympathetic nervous system (PSNS), contracts.
Answer:
Our brains need natural fats to function properly. But trans fats do more harm than good. Studies have shown that high levels of trans fats may reduce serotonin production in the brain, leading to depression as well as adversely affecting memory.
Explanation:
False because the lungs stay relatively inflated even upon exhalation because the pressure inside the chest cavity is always negative.
