NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

ANIMAL TISSUES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Muscle tissue that is involuntary
A
cardiac muscle only
B
skeletal muscle only
C
smooth muscle only
D
cardiac and smooth muscle
Explanation: 

Detailed explanation-1: -Cardiac muscle cells are located in the walls of the heart, appear striped (striated), and are under involuntary control. Smooth muscle fibers are located in walls of hollow visceral organs (such as the liver, pancreas, and intestines), except the heart, appear spindle-shaped, and are also under involuntary control.

Detailed explanation-2: -Smooth muscle cells are spindle shaped, have a single, centrally located nucleus, and lack striations. They are called involuntary muscles.

Detailed explanation-3: -Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary.

Detailed explanation-4: -Smooth Muscle Shape and Orientation However, like skeletal and cardiac muscle, smooth muscle is also surrounded and separated by a connective tissue called endomysium.

Detailed explanation-5: -Skeletal muscle is made up of voluntary muscles, usually attached to the skeleton. Skeletal muscles move the body. They can also contract involuntarily by reflexes.

There is 1 question to complete.