socail scinec

• The respiratory system is the organs and other parts of our body involved with breathing, when you exchange oxygen and carbon dioxide
• Parts of the upper respiratory tract


  • Nose and nasal cavity
  • Sinuses
  • Mouth
  • Throat (pharynx)
  • Voice box (larynx)
• Parts of the lower respiratory tract


  • Windpipe (trachea)
  • Diaphragm
  • Lungs
  • Bronchial tubes/bronchi
  • Bronchioles
  • Air sacs (alveoli)
  • Capillaries
• How the respiratory system works


  1. Bronchial tubes divide into smaller air passages called bronchioles

  2. Bronchioles end in tiny balloon-like air sacs called alveoli

  3. Alveoli are surrounded by capillaries

  4. Oxygen from inhaled air passes into blood

  5. Blood carries oxygen to heart

  6. Heart pumps blood with oxygen through body

  7. Cells use oxygen and produce carbon dioxide

  8. Blood carries carbon dioxide back to lungs

  9. Carbon dioxide is removed when you exhale
• Other tasks of the respiratory system include warming up air, moisturizing air, protecting airways, and allowing you to smell and talk
• Parts of a plant


  • Buds
  • Leaves
  • Flower
  • Stem
  • Roots
  • Branch
  • Fruit
• Types of plants


  • Dicotyledons
  • Non-flowering
• Parts of a seed


  • Seed coat
  • Endosperm
  • Embryo
• Parts of a flower


  • Stamen
  • Pistil
  • Filament
  • Egg
  • Sepal
  • Anther
  • Ovary
  • Style
  • Petal
  • Stigma
• Dominica is celebrating its 46th independence day on November 3, 2024
• Dominica awards


  • Sisserou Award of Honour
  • Meritorious Award
  • Golden Drum Award
  • Dominica Award of Honor
  • Services Medal of Honor
• Social science is a branch of study that deals with human society and social relationships
• Components of the circulatory system


  • Heart
  • Arteries
  • Veins
  • Capillaries
• Parts of the heart


  • Right ventricle
  • Left ventricle
  • Right atrium
  • Left atrium
• Respiratory system


  The organs and other parts of our body involved with breathing, when you exchange oxygen and carbon dioxide
• Parts of the upper respiratory tract

  • Nose and nasal cavity
  • Sinuses
  • Mouth
  • Throat (pharynx)
  • Voice box (larynx)
• Parts of the lower respiratory tract

  • Windpipe (trachea)
  • Diaphragm
  • Lungs
  • Bronchial tubes/bronchi
  • Bronchioles
  • Air sacs (alveoli)
  • Capillaries
• How the respiratory system works


  1. Bronchial tubes divide into smaller air passages called bronchioles

  2. Bronchioles end in tiny balloon-like air sacs called alveoli

  3. Alveoli are surrounded by capillaries

  4. Oxygen from inhaled air passes into the blood

  5. Blood carries oxygen to the body's cells

  6. Cells use oxygen and produce carbon dioxide

  7. Blood carries carbon dioxide back to the lungs

  8. Carbon dioxide is removed from the body when you exhale
• Respiratory system


  • Also warms up air, moisturizes air, protects airways, and allows you to smell and talk
• Components of the skeletal system


  • Tendons
  • Ligaments
  • Bones
  • Muscles
  • Cartilage
  • Joints
• Plant


  A living thing that grows in the earth and has a stem, leaves and roots
• Parts of a plant


  • Buds
  • Leaves
  • Flower
  • Stem
  • Roots
  • Branch
  • Fruit
• Types of plants


  • Dicotyledons
  • Monocotyledons
  • Non-flowering
• Parts of a seed


  • Seed coat
  • Endosperm
  • Embryo
• Seed coat


  • Protects the internal parts of the seed, has an outer layer (testa) and an inner layer (tegmen)
• Endosperm


  • Contains nutrients to support the embryo during germination
• Embryo


  • The most important part of the seed, develops into a mature plant
• Parts of a flower


  • Stamen
  • Pistil
  • Filament
  • Egg
  • Sepal
  • Anther
  • Ovary
  • Style
  • Petal
  • Stigma
• Dominica is celebrating its 46th independence day on November 3, 2024
• Dominica awards


  • Sisserou Award of Honour
  • Meritorious Award
  • Golden Drum Award
  • Dominica Award of Honour
  • Services Medal of Honour
• Social science is a field of study
• what breaks down food particles

  acid and enzeyme