are there certain questions to this?
Answer:
Option A is correct
Heart and Blood Vessels are the parts of the circulatory system.
Answer:A rope tow consists of a cable or rope running through a bullwheel (large horizontal pulley) at the bottom and one at the top, powered by an engine at one end.
An elevated passenger ropeway, or chairlift, is a type of aerial lift, which consists of a continuously circulating steel wire rope loop ... The four person detachable chairlift ("high-speed quad") can transport ...
This consists of a long rope loop running over a series of wheels, powered by an engine at the upper end. rope tow.
Explanation:
The immune system fights off the pathogen by Leukocytes also known as white blood cells. When a pathogen enters the body the immune system becomes alert to it and sends out sends out the Phagocytes (a type of Leukocytes) which engulfs the pathogens.
