Chloroplasts are one of several different types of plastids, plant cell organelles that are involved in energy storage and the synthesis of metabolic materials. The colorless leucoplasts, for instance, are involved in the synthesis of starch, oils, and proteins.
The hypothalamus regulates emotional responses through its influence on the pituitary gland, skeletal muscular system, and autonomic nervous system. Hypothalamus: Function. The hypothalamus is involved in several functions of the body including: Autonomic Function Control; Endocrine Function Control; Homeostasis; Motor Function Control
These hypothalamic releasing hormones control and regulate the secretion of pituitary hormones. Functions of the hypothalamus can be listed as: 1  controls the release of 8 major hormones by the pituitary gland. 2  controls body temperature. 3  control of food and water intake, hunger and thirst. 4  control of sexual behavior and reproduction.