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AQA Additional Science B2.2 Tissues , Organs & Organ System Flashcards
Cards in this deck (35)
- 1B2 Tissues , Organs and Organ SystemsAQA Additional Science
- 2What is Diffusion ?spreading of particles in a gas from areas of high concentration to areas of lower concentration
- 3When is diffusion faster ?when there is a greater difference in concerntration
- 4What are tissues ?small group of cells
- 5What are tissues ?a group of cells with similar structure & function
- 6What is the function of muscular tissues ?to contract and bring about movement
- 7What is the function of glandular tissues ?to produce substances such as enzymes & hormones
- 8What is the function of epithelial tissues ?to cover some parts of the body
- 9What are organs made up of ?tissues
- 10What is the role of muscular tissues in the stomach ?to churn the contents of food
- 11What is the role of glandular tissues in the stomach?to produce digestive juices ( acid & enzymes)
- 12What is the role of epithelial tissues in the stomach ?to cover the inner & outer surfaces of the stomach
- 13What does the digestive sytem include ?glands & stomach & small intestine
liver large intestine - 14What is the function of glands in the digestive sytem ?pancreas & salivary produce digestive juices
- 15What is the function of the stomach in the digestive system?to Digest food
- 16What is the function of the small intestine in the digestive sytem ?to Digest & absorb soluble food
- 17What is the function of the large intestine in the digestive system ?to Absorb water from undigested food, producing faeces
- 18What are the main plant organs ?Roots
Stems
Leaves - 19What is the function of epidermal tissues in a plants ?to cover the plant
- 20What is the function of Mesophyll in plants ?to carry out photosyntheses
- 21What is the function of Xylem and phloem in plants ?to transport substances around the plant
- 22What are leaves adapted for in plants ?to absorbing sunlight for photosynthesis.
- 23What are the main ways that leaves are adapted ?Chlorophyll & Large SA + Stomata
Thin & Network of Veins - 24What is the purpose of Chlorphyll in a plant ?to absorb sunlight
- 25What is the purpose of a Large SA in a plant ?to absorb MORE sunlight
- 26What is the purpose of a stomata in a plant ?To let CO2 diffuse into the leaf
- 27What is the purpose of a thin in the leaves of a plant ?Short distance for carbon dioxide to diffuse into leaf cells
- 28What is the purpose of a network of veins ?To support the leaf & transport water + carbohydrates
- 29What is the purpose of the adapataion of a thick waxy cuticle ?To protect the leaf without blocking light
- 30What is the purpose of the adaptation of a Thin & transparent epidermis in plants ?To allow more light to reach the palisade cells
- 31What is the purpose of the adaptation of a Layer of palisade cells on the top surface ?to absorb light
- 32What is the purpose of many chloroplasts in the palisade cells ?To increase the absorption of light
- 33What is the purpose of the adaptation of a Spongy mesophyll inside the leafs of a plant ?1. to give air space so CO2 can diffuse through the leaf
2. To increase the SA - 34What are Organ Systems ?a group of organs that perform a particular function
- 35What is the function of liver in the digestive system ?to produce bile
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- AQA Additional Science B2 .2 Tissues , Organs & Organ Systems Flashcards
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- Ilyass Jalloh
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