Some examples are smooth muscle and cardiac muscle.
a screwdriver opening a the lid of a paint can
A cash register often contains a credit card slider. ATM machines also are card machines. Playing card machines exist to tell "real" from "fake" cards.
Technically, no animal is a simple machine. Simple machines are the basic elements which comprise all other machines. Though some people compare animals to machines and comparisons between anatomy and simple machines might be possible, they are far from obvious.
Many examples of compound machines exist that can be found at school. Some examples include scissors, staplers, and a pencil sharpener, among many others.
The television show 'Extreme Machines' is about the largest and most impressive man-made machines on the planet. Some examples of machines that are featured in this show include Tanks, Oil Rigs and Flight Carriers.
Well, an example of involuntary is your esophagus or intestines. We were taught that digestion is an involuntary process, so I am sorry but I do not know of any voluntary muscle examples.
water bottle, clock winders, jars, any bottle caps....
Textile Machines, Railroads, and Steel
All muscles are red because they all have blood in them.
Some examples of electromagnetic machines include electromagnets, electric motors, generators, transformers, and solenoids. These machines use the principles of electromagnetism to generate, transmit, and convert electrical energy into mechanical energy or vice versa.
pulleys are one