The Valves of a Diatom Are Made of Silica

question 21

True/False

The valves of a diatom are made of silica.

Recognize the impact of psychological factors, such as coping styles and personality, on physical health conditions like cancer.

Identify the role of adrenal glands and the substances they release under stress.

Understand various psychological interventions (e.g., relaxation training, biofeedback training, meditation) and their efficacy in treating physical symptoms or disorders.

Comprehend the importance of social support in the recovery from physical illnesses.

---

Definitions:

Blood Calcium Concentration

The amount of calcium in the bloodstream, essential for various bodily functions including bone formation, muscle contraction, and blood clotting.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by lowering them when they are high.

Glucagon

A hormone produced by the pancreas that raises blood glucose levels by promoting the breakdown of glycogen in the liver.

Biological Rhythms

Natural cycles of change in bodily functions or activities, including sleep-wake cycles and hormonal cycles, governed by internal biological clocks.