Which of the following contains soft muscle tissue? (i) Digestive system (ii) Artery (iii) Heart (iv) Leg muscle

Which of the following contains soft muscle tissue? (i) Digestive system (ii) Artery (iii) Heart (iv) Leg muscle Correct Answer (i) and (ii)

The correct answer is (i) and (ii).

Key Points

• Smooth muscle is found in the walls of hollow organs, including the stomach, intestines, bladder, and uterus.
  • In the walls of passageways, such as blood, and lymph vessels, and in the tracts of the respiratory, urinary, and reproductive systems. 
  • In the eyes, the ciliary muscle, a type of smooth muscle, dilate and contract the iris and alter the shape of the lens.
  • In the skin, smooth muscle cells such as those of the arrector pili cause hair to stand erect in response to cold temperature or fear.​

Additional Information

• Muscle tissue is composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts.
  • The tissue is highly cellular and is well supplied with blood vessels.
  •  Muscle tissue can be categorized into skeletal muscle tissue, smooth muscle tissue, and cardiac muscle tissue.