It’s a bronchi, not a spring coil of Phoenix Lander on Mars.
NASA says a spring coil fell off from Phoenix Lander on Mars. But it’s
really a bronchi (beneath the windpipe in animal’s throat), as there
is a cell remains on the bronchi. See the cell in the following
figures:
Fig. 1: In the lower left corner is a square.
In the square is a cell on the bronchi.
http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=o1555103653.jpg&p=1
This figure is an enlargement of the following NASA photo (Fig. 2)
Fig. 2: Original photo of Fig. 1 above.
A green line points to where a cell is found on the bronchi.
http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=o1555103652.jpg&p=0