Some examples are smooth muscle and cardiac muscle.
a screwdriver opening a the lid of a paint can
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 three examples of muscle cells is the Cardiac mucsle, the Smooth muscle and the Skeletal muscle.
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.
Some examples of compound machines areZipperCan openerBikeWedges/ ScissorsStaplerPencil SharpenerCeiling FanPizza CutterBulldozerWheelbarrowThose are some common examples.
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.
All muscles are red because they all have blood in them.
pulleys are one
water bottle, clock winders, jars, any bottle caps....