Page 2 - Home Assignment - III

3. Cardiac muscles
 Cardiac muscle cells are found only in the heart and are
specialized to pump blood powerfully and efficiently
throughout our entire lifetime.
 Four characteristics define cardiac muscle tissue are: they
are involuntary and intrinsically controlled, striated,
branched, and single nucleated.

Lab Work sheet 2

1. The given figure represents a tissue found in the human
body.
(a) Identify the tissue and state its function.
(b) Mention any two locations where this tissue is found in
the body.

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2.What are the features of striated muscle fibre? Where do we find these in our body
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3.Mention the function of skeletal muscles in our body.

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4. Name the type of muscle cells which do not get fatigued and rhythmically
contracts and relaxes throughout life. How it is different from skeletal muscle?

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5. Why skeletal muscles are called voluntary muscles?

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MCQ

1. The cell appears elongated, tapering at ends as observed under a microscope. It is
(a) striped muscle.
(b) sclerenchyma fibre.