Skeletal Connective tissue

Question 1

what are they types of skeletal tissue?

Answer 1

1.cartilage
2.bone

Question 2

what is the main function of skeletal connective tissue?

Answer 2

it forms the endoskeleton in vertebrates

Question 3

nature of cartilage

Answer 3

1.loosely packed cells
2.compact
3.less vascular

Question 4

what is the nature of the matrix of cartilage

Answer 4

the matrix is hard and forms a cheese-like structure with no blood vessels present in it. they are dead

Question 5

how does cartilage attain it’s flexibility?

Answer 5

although the cartilage is hard in nature, it has some flexibility. this accounts in the flexible nature of the cartilage

Question 6

what is matrix rich in?

Answer 6

the matrix is rich in calcium salts which makes the it hard

Question 7

who produces the matrix?

Answer 7

chondrocytes produce and maintain the matrix of the cartilage

Question 8

how is the matrix structure in the cartilage?

Answer 8

1.it is a delicate network of fibers and living cells, chondrocytes
2.the chondrocytes are found in fluid filled sacs called lacunae

Question 9

how is cartilage capable of rapid and continuous growth?

Answer 9

the chondrocytes in the matrix continuously divide and grow, resulting in this capability

Question 10

why is cartilage needed in our body?

Answer 10

1.shapes and supports different body parts
2.smoothens the joint surfaces
3.increases flexibility

Question 11

where is it found in the human body?

Answer 11

1.ear pinna
2.nose tip
3.at the end of long bones
4.at the end of lower ribs
5.epiglottis
6.intervertrebal discs
7.in the rings of trachea/wind pipe

Question 12

what is the nature of bone?

Answer 12

1.porous
2.highly vascular
3.hard and rigid
4.miniralised
5.very strong and non-flexible

Question 13

what is the nature of the matrix of the bone

Answer 13

the matrix of the bone is in the form of rings called lamella

Question 14

what is the matrix of bone rich in

Answer 14

1.the matrix is consists of proteins like; collagen, osteocalcin etc.
2.it is rich in calcium and magnesium and carbonates and phosphates of magnesium

Question 15

what are the bone cells called?

Answer 15

osteoblasts or osteocytes

Question 16

what is the structure of the bone tissue?

Answer 16

1.the osteoblasts are found in fluid-filled sacs called lacunae which are located in between the lamella
2.these lacunae have canal like cytoplasmic structures called canaliculi, connected to each of the bone cells
3.each bone cell can communicate to each other through these canaliculi
4.every osteoblast receives food, oxygen and eliminates waste material through these canals.

Question 17

what will happen if bones are removed from the body?

Answer 17

1.no endoskeleton in vertebrates
2.no shape to the body
3.no skeletal support to the body
4.body will be devoid of stores of calcium and phosphates
5.there will be no anchor to the muscles
6.no protection to the viable body organs like lungs, brain etc.

Question 18

why are bones considered as specialized connective tissues?

Answer 18

bones are porous, mineralized, hard and rigid