Score is an old word for the number 20. = (4*20+7)years = 87 years. And in the Bible: âthree score years and tenâ meaning: âseventy years oldâ (3*20+10) (Psalm 90). This was thought to be a normal life span.
One of the functions of the Integumentary System is the negative feedback, homeostatic control of the core body temperature. This is called thermoregulation.
The Human circulatory system is an organ system that is mainly concerned with transportation of nutrients, gases, blood cells and hormones throughout the body, through a network of blood vessels. It is also the main cooling as well as transportation system of the body. The RBCs carry nutrients and oxygen to the cells while the white blood cells in the circulatory system act as cleaners and start functioning whenever we are exposed to cold, infection or cut. The main components of circulatory systems are arteries and veins.