Muscle tissue

Assertion: In cardiac muscle tissue, the communication junctions (intercalated discs) at some fusion points allow the cells to contract as a unit. Reason: When one cell of cardiac muscle tissue recieves a signal to contract, its neighbours are also stimulated to contract.

Skeletal muscles come under the board category of muscle tissue for the animals. How many of the following statements are correct related to the skeletal muscles. I. They are closely attached to bones. II. These are involuntary in the activity. III. They are typically found within the blood vessel IV. Several muscle fibers are enclosed by a sheath of connective tissue.

Read the following statements is context to muscle tissue and choose the correct answer . (i) Excessive exercise results in anaerobic Respiration and forms lactic acid . (ii) As per sliding filament theory of muscle contraction, the filament that moves to shorten a muscule is actin . (iii) The muscles primarily involved in locomotion is striated muscles .

Select the correct statement from the following . I. Bones support and protect softer tissue and organs II. Blood is a fluid connective tissue. III. Cartilage is a type of specialised muscle tissue. IV. The bone marrow found in some bones is the site of production of leucocytes.

Read the following statements. A. Nerve cells do not have the ability of regeneration. B. Nerve cells are one kind of muscle tissue. C. No two nerve cells have same appearance. D. Nervous tissue is a fluid tissue. Which of the following is true?

Which of the following processes involve(s) mitosis? I. production of new sperms cells. II. Propagation of carrot plants by underground roots. III. Deelopment of the zygote into an embryo. IV. Replacement of worn-out muscle tissue. Choose the option with correct statement(s).

Give scientific reasons of the following statements : (i) Atlas vertebra is also called 'yes bone'. (ii) Female pelvis pelvis is larger and has a broader front than male pelvis. (iii) Osteoarthritis is more common in old people. (iv) Hydra lacks muscle tissue still it shows a variety of movement. (v) Human vertebral column shows 4 distinct curves.

Muscle is a specialised tissue of ___ origin

What is muscular tissue? Describe structure and function of striated muscle fibres.