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
The hypothalamus and hormone control. The hypothalamus is part of the brain and not actually part of the endocrine system. The hypothalamus works with the pituitary gland to control the activity of most of the other glands of the endocrine system. It reacts to changes in the amount of hormones in the body.