Answer: movement is always voluntary
Explanation:
Muscles are contractile:
- Contractility is the ability of muscle cells to forcefully shorten. Think of having the ability to flex a muscle.
Muscles are excitable:
- Excitable tissue can conduct or transmit electrical impulses. Basically, it can react to stimulus, which may be delivered from a motor neuron or a hormone. For example, the hormone epinephrine helps muscles to produce force.
Muscles respond to stimulus:
- well since muscles are an excitable tissue, they can react to stimulus. (see answer above)
————————
Muscle movement is NOT always voluntary:
- Some muscle movement is voluntary, which means it is under conscious control. For example, a person decides to open a book and read. Other movements are involuntary, meaning they are not under conscious control, such as the contraction of your pupil in bright light, breathing, blinking, your heart beating, etc.
- Therefore, the correct answer is:
movement is always voluntary
hope this helps :)
Answer:
Munchausen syndrome by proxy
Explanation:
Munchausen syndrome by proxy, is a form of child abuse, and is classified as a mental illness. This illness affects the caretaker of a child (in most cases, it affects the mother), where the caretaker will fabricate symptoms or cause visible symptoms so that the child can appear sick.
There is no apparent cause of Munchausen syndrome by proxy, however many people who have this mental illness were either abused as a child, or they have Munchausen syndrome themselves.
