Science Class 9
Tissues in Action
Name animal and plant tissues, blood parts, plant skin, and the joints of the body.
15 lessons · ~98 min total
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Lessons in this topic
- 0 Start here How groups of cells become tissues, and what each tissue does. · 3 min You are here
- 1 Cells with one job A tissue is a group of cells, usually similar, working on one job. · 6 min
- 2 Covering and lining Epithelial tissue covers the body and lines organs. Its shape fits its job. · 7 min
- 3 Holding things together Connective tissue joins and supports. Its matrix decides if it is hard, soft or fluid. · 7 min
- 4 Tissue that shortens Muscle tissue moves the body by shortening. There are three kinds. · 7 min
- 5 Tissue that carries signals Nervous tissue is made of neurons. They receive messages and pass them on. · 7 min
- 6 Where a plant grows Meristem keeps dividing. It makes plants longer and wider, and lets grass regrow. · 7 min
- 7 Tubes for water and food Xylem carries water up. Phloem carries food from the leaves to the rest of the plant. · 7 min
- 8 Bones, muscles and joints Bones, muscles and joints work together. The kind of joint decides the movement. · 8 min
- 9 The skin of a plant The epidermis covers a plant. Its stomata let gases and water vapour pass. · 7 min
- 10 Three supporting tissues Parenchyma stores, collenchyma bends, sclerenchyma is hard. · 8 min
- 11 What is inside blood Blood is a fluid tissue. Red cells, white cells and platelets float in plasma. · 7 min
- 12 Checkpoint: plant skin, plant support and blood A graded check on the last three lessons. · 6 min
- 13 The big picture Animal and plant tissues, blood, joints and the levels of the body, on one screen. · 4 min
- 14 Track quiz The eleven rules, then one question on each idea. · 7 min
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