Saturated fat (im pretty sure)
Those two are the muscular system and the excretory system because you use your muscles to push up and down and your excretory system produces the sweat you use while doing them
To prevent a health risk from poor sanitation.
Answer:
Iconic
Explanation:
Iconic memory is the visual sensory memory register pertaining to the visual domain and a fast-decaying store of visual information. It is a component of the visual memory system which also includes visual short-term memory and long-term memory.
