Answer:
In life, muscle cells contract and relax due to the actions of two filamentous proteins (actin and myosin), which slide along each other. After death, the cells are depleted of their energy source and the protein filaments become locked in place. This causes the muscles to become rigid and locks the joints.
I think the cell’s can become cancer cells but I’m sorry if it isn’t correct...
Venus is the answer. That planet has a dense atmosphere of CO2, which has produced a runaway greenhouse effect.
Red because it has more volume and more amount of matter
