Answer:
The correct answer is Circulatory system.
Explanation:
Circulatory system is also known as the cardiovascular system which is used to circulate the blood around the body of most of the animals. It mainly consists of a heart that is used to pump the blood and different blood vessel that are used for the transportation of blood to different parts of the body.
The main functions plays by circulatory system are:
1. It provides oxygen to different organs of the body through blood.
2. It helps in providing nutrients, hormones to different organs and remove waste products from cells.
3. It helps in locating the immune cells to the injury site which helps the body to fight the infection.
ADH and aldosterone secretion are part of the body's compensation for A serious hemorrhage. Vasopressin or ADH is a hormone synthesized as a peptide prohormone in neurons in the hypothalamus and is converted to AVP. The primary role is maintaining osmolarity and thus maintaining the volume of water in the extracellular fluid, and the secondary function of ADH is raising blood pressure by constricting blood vessels. Aldosterone on the other hand is essential for sodium conservation in the kidney.
Answer: The nucleus
Explanation: It directs the cell's activities in the plant and animal cells.
