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2. Cell parts and functions (article) | Khan Academy

   www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:cells-and-organisms/x...

   Cell diagrams showing a typical animal cell and plant cell. Image created with Biorender.com.

3. Introduction to the cell - Khan Academy

   www.khanacademy.org/science/ap-biology/cell-structure-and-function/cell...

   Cells are the most basic unit of life. All cells have a membrane that separates them from the outside world. Although cells are small, they are not simple. Cells contain different components, such as the cytoplasm, ribosomes, and genetic information in the form of DNA.

4. Khan Academy

   www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:cells-and-organisms/x...

   6th grade reading and vocab. NEW. 7th grade reading and vocab. NEW. 8th grade reading and vocab. NEW. 9th grade reading and vocab. NEW. 10th grade reading and vocab. NEW. Grammar; See all Reading & Language Arts; Life skills; Social & emotional learning (Khan Kids) Khanmigo for students. NEW. AI for education. NEW.

5. Basic cell structures review (article) | Khan Academy

   www.khanacademy.org/.../hs-basic-cell-structures/a/hs-basic-cell-structures-review

   High school biology (DEPRECATED) Course: High school biology (DEPRECATED) > Unit 2. Lesson 2: Basic cell structures. Introduction to the cell. Introduction to cilia, flagella and pseudopodia. Basic cell structures review. Identifying cell structures.

6. Unit 1: Cells and organisms - Khan Academy

   www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:cells-and-organisms

   This unit will take you on a fascinating journey through the world of cells and organisms. You'll get an up-close look at plant and animal cells, learn about organelles, explore the organization of the human body, and gain a deeper understanding of sensory processing and the brain.

7. Khan Academy

   www.khanacademy.org/science/ap-biology/cell-structure-and-function/mechanisms...

   Osmosis is a process where water molecules move from an area of low solute concentration to high solute concentration through a semipermeable membrane. This movement can be influenced by factors like solute size and charge. Understanding osmosis helps us grasp how cells maintain balance and control their internal environment.

8. Biology - Khan Academy

   www.khanacademy.org/science/biology

   Get ready for 6th grade; Get ready for 7th grade; Get ready for 8th grade; Get ready for Algebra 1; Get ready for Geometry; Get ready for Algebra 2; ... Unit 6: Structure of a cell. Introduction to cells: Structure of a cell Prokaryotic and eukaryotic cells: Structure of a cell Tour of a eukaryotic cell: ...

9. Cell parts and functions (understand) (practice) | Khan Academy

   www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:cells-and-organisms/x...

   Check your understanding of cell parts and functions in this set of free practice questions aligned to NGSS standards. Skip to main content If you're seeing this message, it means we're having trouble loading external resources on our website.

10. Genes, cells, and organisms | Khan Academy

    www.khanacademy.org/science/hs-biology/x4c673362230887ef:genes-cells-and-organisms

    In this unit, we'll go from micro to macro as we explore genes, cells, and organisms. Learn about cell specialization, DNA and proteins, and the organization of multipcellular organisms, all while gaining a deeper appreciation for what makes you, you!

11. The circulatory system review - Khan Academy

    www.khanacademy.org/science/high-school-biology/hs-human-body-systems/hs-the...

    Arteries carry blood away from the heart and into capillaries, providing oxygen (and other nutrients) to tissue and cells. Once oxygen is removed, the blood travels back to the lungs, where it is reoxygenated and returned by veins to the heart. Image credit: Arteries and veins of the body by OpenStax, CC BY 4.0.