MECHANISM OF TRANPORT SYSTEM IN SOME ORGANISMS

transport system in human
transportation in some organisms

transport system. mechanism of transportation in some organisms and lower animals. unicellular organisms mechanisms of transportation. types of transport systems in animals.

  • TRANSPORTATION IN ORGANISMS

mechanism of transportation in unicellular organisms

In unicellular organisms, the continuous streaming movements of the cytoplasm circulate materials within one-cell body. In Amoeba for example, which changes its shape as it moves, the cytoplasm streams from the rear to the front of the organism along the direction of its movement.

transportation in unicellular organisms
transportation in animal

In paramecium, another unicellular organism which do not change its shape, the continuous circular movement of the cytoplasm brings about the distribution of materials such as food, oxygen, and carbon dioxide within its body.

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WEED AND THEIR BOTANICAL NAMES
1. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
2. DISEASES
3. 52. SOIL MICRO-ORGANISMS
4. ORGANIC MANURING
5. FARM YARD MANURE
6. HUMUS
7. COMPOST
8. CROP ROTATION
9. GRAZING AND OVER GRAZING
10. IRRIGATION AND DRAINAGE
11. IRRIGATION SYSTEMS
12. ORGANIC MANURING
13. FARM YARD MANURE
14. HUMUS
15. COMPOST
16. CROP ROTATION

  1. IRRIGATION AND DRAINAGE
  2. IRRIGATION SYSTEMS
  3. INCUBATORS
  4. MILKING MACHINE
  5. SIMPLE FARM TOOLS
  6. AGRICULTURAL MECHANIZATION
  7. THE CONCEPT OF MECHANIZATION
  8. PROBLEMS OF MECHANIZATION
  9. SURVEYING AND PLANNING OF FARMSTEAD
  10. IMPORTANCE OF FARM SURVEY
  11. SURVEY EQUIPMENT
  12. PRINCIPLES OF FARM OUTLAY
  13. SUMMARY OF FARM SURVEYING
  14. CROP HUSBANDRY PRACTICES
  15. PESTS AND DISEASE OF MAIZE- ZEA MAYS
  16. CULTIVATION OF MAIZE CROP
  17. OIL PALM
  18. USES OF PALM OIL
  19. MAINTENANCE OF PALM PLANTATION
  20. COCOA
  21. PROCESSES IN COCOA CULTIVATION
    HOLING AND LINING
  22. YAM
  23. LAND PREPARATION FOR YAM
  24. DEPT OF PLANTING
  25. SPACING OF YAM

Blood vessels transport system

There are different types of blood vessels
in the body. You know that during
inhalation a fresh supply of oxygen fills
the lungs. Oxygen has to be transported
to the rest of the body.
Also, the blood picks up the waste
materials including carbon dioxide from
the cells.

This blood has to go back to
the heart for transport to the lungs for
removal of carbon dioxide

transportation system in plantain
transport system

mechanism of transportation in simple multicellular organisms

HYDRA TRANSPORT SYSTEM

:
hydra is a two layered body organism enclosed in a huge gut cavity. Movements of the gut wall draw into the gut and cause digested food and oxygen within it to circulate.

This enables the cell lining the gut to absorb the materials. Some cells in the gut have flagellae.

The whipping movement of the flagellae also help to circulate the materials in the gut.

FLATWORMS TRANSPORT SYSTEM

: flatworms, e.g. tapeworm, has a thin and flat body so that the surface area to volume ratio is large. In addition, the gut branches extend throughout the body. These features enable sufficient food and oxygen to diffuse into all the body cells.

A branched excretory system is present to collect and get rid of waste products from the body. As in hydra, movements of the body wall aid the transportation of waste product out of its body.

MECHANISM OF TRANSPORTATION IN INSECTS AND MOLLUSCS

:
insects and Molluscs have open circulatory system which helps to transport materials within the body. In the system, the heart pumps blood out into a blood vessel which branches and opens into spaces in the body cavity called heamocoels.

transport system in molusc
transportation in lower organism

The organs and tissues are bathed in blood, and exchange of materials occur between the body cells and the blood. Blood in the spaces eventually flows into vessels leading to the heart. Valves in the heart and blood vessels only allow the blood to flow in one direction. In this system, the distribution of blood to the various body parts is poorly controlled.

VEINS TRANSPORT SYSTEM

Veins are the vessels which carry carbon dioxide-rich blood from all parts of the body back to the heart.

The veins
have thin walls. There are valves present in veins which allow blood to flow only towards the heart.
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TRANSPORTATION SYSTEM IN MAN

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transportation system in the body of animal
transportation in animals

Important topics related to the above article
1. Recognizing living things
2. Biology as an enquiry in science
3. Branches of biology
4. Processes of methods of science
5. Usefulness of science
6. Living and non-living things

the heart and transportation system in man
transport system in human

the Heart transport system

The heart is an organ which beats continuously to act as a pump for the transport of blood, which carries other substances with it. Imagine a pump working for years without stopping! Absolutely impossible. Yet our heart works like a pump non-stop. Let us now learn about the heart.
The heart is located in the chest cavity with its lower tip slightly tilted towards the left

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WEED AND THEIR BOTANICAL NAMES
1. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
2. DISEASES
3. 52. SOIL MICRO-ORGANISMS
4. ORGANIC MANURING
5. FARM YARD MANURE
6. HUMUS
7. COMPOST
8. CROP ROTATION
9. GRAZING AND OVER GRAZING
10. IRRIGATION AND DRAINAGE
11. IRRIGATION SYSTEMS
12. ORGANIC MANURING
13. FARM YARD MANURE
14. HUMUS
15. COMPOST
16. CROP ROTATION

  1. IRRIGATION AND DRAINAGE
  2. IRRIGATION SYSTEMS
  3. INCUBATORS
  4. MILKING MACHINE
  5. SIMPLE FARM TOOLS
  6. AGRICULTURAL MECHANIZATION
  7. THE CONCEPT OF MECHANIZATION
  8. PROBLEMS OF MECHANIZATION
  9. SURVEYING AND PLANNING OF FARMSTEAD
  10. IMPORTANCE OF FARM SURVEY
  11. SURVEY EQUIPMENT
  12. PRINCIPLES OF FARM OUTLAY
  13. SUMMARY OF FARM SURVEYING
  14. CROP HUSBANDRY PRACTICES
  15. PESTS AND DISEASE OF MAIZE- ZEA MAYS
  16. CULTIVATION OF MAIZE CROP
  17. OIL PALM
  18. USES OF PALM OIL
  19. MAINTENANCE OF PALM PLANTATION
  20. COCOA
  21. PROCESSES IN COCOA CULTIVATION
    HOLING AND LINING
  22. YAM
  23. LAND PREPARATION FOR YAM
  24. DEPT OF PLANTING
  25. SPACING OF YAM

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