Advertisements
Advertisements
प्रश्न
Give three features of cardiac muscles.
Advertisements
उत्तर
Three features of cardiac muscles are:
- Cardiac muscles are involuntary muscles that contract rapidly but do not get fatigued.
- The cells of cardiac muscles are cylindrical, branched, and uninucleate.
- They control the contraction and relaxation of the heart.
APPEARS IN
संबंधित प्रश्न
Diagrammatically, show the difference between the three types of muscle fibres.
Name the three kinds of muscles found in the human body. In each case, name one region in the body where they are found.
The question has four answers. Choose the correct answer:
Cardiac muscles are
Contractile proteins are found in
Voluntary muscles are found in
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Fluid connective tissue | (i) | Subcutaneous layer |
| (b) | Filling of space inside the organs | (ii) | Cartilage |
| (c) | Striated muscle | (iii) | Skeletal muscle |
| (d) | Adipose tissue | (iv) | Areolar tissue |
| (e) | Surface of joints | (v) | Blood |
| (f) | Stratified squamous epithelium | (vi) | Skin |
Differentiate the following activities on the basis of voluntary (V) or involuntary (IV) muscles.
Writing with hand
Cells of cork contain a chemical called ______
The movement of food in the alimentary canal is because by cardiac muscles.
Assertion: Non-striated muscles are said to be voluntary in nature.
Reason: Non-striated muscles are under the control of our will.
