Question

what is the specific functions of the cardiac muscle?
2. how does the cork act as a protective tissue ​

Answer 1

Answer:

Cardiac muscle tissue works to keep your heart pumping through involuntary movements. This is one feature that differentiates it from skeletal muscle tissue, which you can control. It does this through specialized cells called pacemaker cells. These control the contractions of your heart.

2.Cork acts as a protective tissue because its cells are dead and compactly arranged without intercellular spaces. They have deposition of suberin on the walls that make them impervious to gases and water.

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Answer 2

1.  (1) Cardiac muscles cells are cylindrical, branched and uninucleated.

(2) They are involuntary muscles.

(3) They show rhythmically contraction and relaxation throughout life.

(4) Their rhythmic contraction and relaxation helps in pumping action of heart.

2. Cork acts as a protective tissue because its cells are dead and compactly arranged without intercellular spaces. They have deposition of suberin on the walls that make them impervious to gases and water.