Want this question answered?
False false
No biceps, triceps, quadriceps and muscles that you can selectivly use are voluntary muscles.
false
You cannot control the muscles in your heart and brain, and also your lungs, because they work automatically.
If you control it consciously, it would be VOLUNTARY, so that would be false.
that is false
only contract, never extend. if it looks like it is extending, that's just another muscles contraction.
Yes, in that sense muscles can only be voluntary or involuntary as far as I know.
True.
False acid shock is a sudden change in the acidity of a stream or lake.
false
During contraction the two articulating bones move equally