All of the following are functions of smooth muscles except: a. heartbeat b. breathing c. perspiration d. digestion select the best answer from the choices provided. a b c d

Smooth muscles are defined as involuntary and non-striated muscles. Walls of the stomach, blood vessels, and ureters are made up of smooth muscles.

The correct option is:

Option A. heartbeat

Functions of the smooth muscles are:

1. Smooth muscles line the walls of the stomach and digestive tract. It helps in the movement of food during the process of digestion.

2. The folds and projections in the intestine are made by smooth muscles. It helps in the better absorbent of the nutrients.

3. Smooth muscles also line the airway, which functions to protect the airways from distortion during the process of breathing.

4. The cardiac muscles are the type of muscles that are involuntary and control the functioning of the heart and heartbeat.

Thus, the correct option is Option A.

To know more about smooth muscles, refer to the following link:

link

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made