Circulatory System Diseases. November 25, 2014. Talking strictly in the sense of cardiovascular system, the major parts are blood, blood channels, and heart, but considering lymphatic system as its component, lymph, lymph nodes and lymphatic vessels have to be included.
Abase means to bring someone down, often either in their job or their self-esteem. Consider that the base of anything is the bottom, and you get an idea as to the meaning of the word abase, which means to make someone feel low.
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere.