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With reference to connective tissues, considering the following statements: 1. The bone cells are present in the spaces called lacunae. 2. In all connective tissue cells secrete fibers of structural proteins called collagen or elastin. Which of the statements given above is/are correct?

With reference to connective tissues, considering the following statements: 1. The bone cells are present in the spaces called lacunae. 2. In all connective tissue cells secrete fibers of structural proteins called collagen or elastin. Which of the statements given above is/are correct? Correct Answer 1 only

  • Bone is the main tissue that provides structural frame to the body.
  • Bones support and protect softer tissues and organs.
  • The bone cells (osteocytes) are present in the spaces called lacunae. Hence statement 1 is correct
  • Limb bones, such as the long bones of the legs, serve weight-bearing functions. They also interact with skeletal muscles attached to them to bring about movements.
  • The bone marrow in some bones is the site of the production of blood cells.
  • Blood is a fluid connective tissue containing plasma, red blood cells (RBC), white blood cells (WBC) and platelets.
  • It is the main circulating fluid that helps in the transport of various substances.
  • Connective tissues are most abundant and widely distributed in the body of complex animals.
  • They are named connective tissues because of their special function of linking and supporting other tissues/organs of the body.
  • They range from soft connective tissues to specialized types, which include cartilage, bone, adipose, and blood.
  • In all connective tissues except blood, the cells secrete fibers of structural proteins called collagen or elastin. Hence statement 2 is not correct
  • The fibres provide strength, elasticity and flexibility to the tissue.

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