Question
Give the structure and function of the following:
Bone

Answer

Bone
Structure - It is a hard, inflexible, and porous skeletal tissue well supplied with blood vessels and nerves. The bone matrix has a rigid mass of inorganic salts of calcium and magnesium. The bone cells called osteocytes are arranged in the form of thin circular layers around a central canal. Osteocytes are present in small spaces connected to one another by a system of canals.
Function - Bone gives shape, support, and protection to the body parts.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Differentiate between terrestrial and aquatic ecosystem.
Match the items in column A with the appropriate items in column B:
column Acolumn B
1. Platform or workplace for the synthesis of proteinsa. Golgi complex
2. A powerhouse of cellsb. Ribosomes
3. Help in the formation of cell plate during cell divisionc. Chloroplast
4. Site for photosynthesisd. Mitochondria
5. Control tower of celle. Chromosomes
6. A structure bearing genesf. Nucleus
Observe the given figure and answer the following questions:
Image
(i) What is shown in the figure?
(ii) Label the parts marked 1, 2 and 3.
(iii) Name a plant which shows this phenomenon.
Describe the advantages and disadvantages of cross-pollination to the plant.
Column I
Column II
(a) Mosquito
(i) DDT
(b)Plasmodium
(ii) Dengue
(c)Entamoebahistolytica
(iii) Vector
(d)Aedesmosquito
(iv) Malaria
(e) Insecticide
(v) Dysentery
Differentiate between the following pair: Infectious and non-infectious disease.
What is the difference between an organ and an organelle?
Match the items in column A with appropriate items in column B:
Column A Column B
Physiology Tissues
Microbiology Life-cycle
Embryology Insects
Entomology Cells
Cytology Microbes
Histology Vital activities
Alongside is shown a diagrammatic skeletal of synovial j oint.
(a) What is a synovial joint?
(b) Where do you find such a joint?
(c) What is the function of cartilages?
(d) Name the parts 1 to 5. 2
Match the names of animal groups in Column I with the names of animals in column II.

Column I (Group)

Column II (Animals)

Annelida

Pigeon

Porifera

Snake

Mollusca

Earthworm

Reptilia

Sponge

Amphibia

Octopus

Pisces

Trout

Mammal

Rabbit

Which names are left out that do not match and why?