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
No, the hypothalamus does not control involuntary actions like  breathing. Instead, it controls body temperature, hunger, thirst  and sleep and provides a link between the nâ¦ervous and endocrine  systems. The brain stem controls involuntary actions such as  breathing and heartbeat.