Question

which of the following describes the function of the autonomic nervous system? controls contractions of smooth muscles controls secretions of glands controls the beating of your heart all of the above are functions of the autonomic nervous system

Explanation:

The autonomic nervous system is responsible for involuntary bodily functions. Smooth muscle contractions (e.g., in the digestive tract), glandular secretions (e.g., salivary glands), and heart - beat regulation (cardiac muscle, which has some similarities to smooth muscle in terms of autonomic control) are all involuntary processes. So all the given options are functions of the autonomic nervous system.

Answer:

All of the above are functions of the autonomic nervous system.