Which muscle types allow only involuntary movement? . . a.. cardiac muscles and skeletal muscles. . . b.. smooth muscles and cardiac muscles. . . c.. smooth muscles and skeletal muscles.

The muscle types that allow only involuntary movement are smooth muscles and cardiac muscles. The correct answer is option B. Cardiac muscles are muscles found in the heart, which are responsible for the continuous pumping of the heart. Smooth muscles are found in the body's internal organs such as those in the digestive system.

Since we don't see a strand; i got answers off a sheet and the correct answer is "2".

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

~wikipedia

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!