Question

1) list the functions of squamous epithelium
2) differentiate between voluntary & involuntary muscles
3) differentiate between columnar & cuboidal epithelium
4) how are cardiac muscle different from other muscle
5) What are the functions of cuboidal epithelium ? Also mention it's location ​

Answer 1

Explanation:

1 They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

2. Voluntary muscles work according to the desire or under conscious control. Involuntary muscles work under the control of the autonomous nervous system of the body. voluntary muscles are multinucleated and are located towards the periphery of the cell. ... Theses muscles involved in locomotion and movement of body parts.

3. Cuboidal epithelium has cells whose height and width are approximately the same. Columnar epithelium has cells taller than they are wide.

4 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.

5.. Simple cuboidal epithelium consists of a single layer cells that are as tall as they are wide. The important functions of the simple cuboidal epithelium are secretion and absorption. This epithelial type is found in the small collecting ducts of the kidneys, pancreas, and salivary glands.

Answer 2

Answer:

1) The simple epithelia (cells arranged in a single layer) promote the diffusion in tissues namely the regions of gas exchange in the lungs and the exchange of the wastes and nutrients at the blood capillaries.

2) Voluntary muscles:

Cylindrical, long, and unbranched shaped muscles; These muscles are multinucleated; Found attached to bones; High energy requirement; Presence of the nucleus at the periphery; Actions are mainly regulated by somatic nervous system.

Involuntary muscles:

Small muscles; These muscles are uni nucleated; Found in the walls of internal organs; Low energy requirement; Presence of the nucleus at the center; Actions are mainly regulated by Autonomic nervous system.

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