Which of the following is a white fibrous tissue?

What do mast cells secrete during an injury?

Identify the tissues given below.

Mark the odd one in each series:
$RBC$; $WBC$; platelets; cartilage

Read the following statements and answer the question.
$(i)$ They have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.
$(ii)$ They support and protect softer tissues and organs.
$(iii)$ Osteocytes are present in the spaces called lacunae.
$(iv)$ They also interact with skeletal muscles attached to them to bring about movements.
Which of the following type of tissue is being described by above statements?

Which of the following is a specialized connective tissue?