Answer:
PERCEPTION
Explanation:
Perception is the process where a person attend to or select one specific thing in his or her environment and make meaningful thing out it .
Perception also means to interpret and select sensory information by collecting data from the sense organs through the interpretation made by the brain to make us have sensory experience of the world around u and allow us to act within our environment.
Answer:
The transport or circulatory system.
Disease: atherosclerosis.
How do I know: presence of a blood vessel (as indicated by the red blood cells within it) and the deposit of fat and/or cholesterol within the walls of the blood vessel.
Selecting the head of government.