Chapter 2: Tissues

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Q
Tissues

Question:

Name the following:

(a) Tissue that forms the inner lining of our mouth.

(b) Tissue that connects muscle to bone in humans.

(c) Tissue that transports food in plants.

(d) Tissue that stores fat in our body.

(e) Connective tissue with a fluid matrix.

(f) Tissue present in the brain.

Answer:

(a) Squamous epithelium is the tissue that forms the lining of cavities i.e. mouth oesophagus, nose, pericardium, alveoli etc. and blood vessels. It also forms the covering of the tongue and skin.

(b) Tendons are the connective tissue. It connects muscles to bones.  Tendons are white fibrous tissue and have great strength but limited flexibility.

(c) Phloem consists of sieve tubes, companion cells, phloem parenchyma and phloem fibres. Phloem is the tissue that transports food prepared by leaves to other parts of the plants.

(d) Adipose tissue is the fat-storing tissue in our body. They are found below the skin and between the internal organs. It acts as an insulator. 

(e) Blood is fluid connective tissue. It has a fluid matrix called plasma which contains WBCs, RBCs and platelets. 

(f) Nervous tissue is highly specialized to transmit messages within our body. The brain, spinal cord, and nerves are composed of nervous tissue. The cells of the nervous tissue are called nerve cells or neurons. Neurons are the unit of the nervous system. Neurons have the ability to receive and send stimuli to different parts of the body.


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