Eye.
eye
The body part that is spelled the same backward and forward and upside down is "eye." This three-letter word has a symmetrical structure that remains unchanged when viewed in different orientations.
your whole body and your heart.
Your head,neck,and hip.:)
The part of the boat that rotates to power it forward and backward is the propeller. When the propeller spins in one direction, it pushes water backward, propelling the boat forward. Conversely, spinning it in the opposite direction pushes water forward, allowing the boat to move backward. The rotation of the propeller is typically driven by the boat's engine.
Your head,neck,and hip:)
No, "Forward and "Backward" is not a real episode of "Shake It Up!" however there is an episode that is similar to it that is called "Forward and Back It Up" which is part of Season 3.
Wardforce is the forward and backward motion part of the Magnetic Field.
propeller
Your head can move forward, backward, side to side, and rotate along a vertical axis. It has a wide range of motion to allow you to look in various directions and orientations.
Midnight Caller - 1988 Evil Is Live Spelled Backward Part 2 2-3 was released on: USA: 26 September 1989
Any part of a mathematical instrument that moves or slides backward and forward upon another part.