Cells and movement

Task 3b: Make notes that:

• Draw and label an animal cell

• Explain the function of each organelle in an animal cell

• Describe how to make cheek cell slides to view under a microscope.

• Describe how big animal cells are.

Task 4b: Make notes that:

• Name the major organs of the body - If you have a printer you could label this diagram

• Name the organ systems of the human body

• Define cells

• Describe how the body is organised (organelles to organism)

Task 5b: Make notes that:

• List the 4 main functions of the skeleton

• Explain the role of bones in the immune system

• Name the cells and minerals that bones are made up of.

• Explain why bones need to be slightly flexible (think about jumping and falling).

• Describe the role of a joint.

• List and describe the 4 main types of joints in the skeleton.

• List and describe the 4 main types of joint tissues in a typical joint.

Task 6b:  Make notes that:

• Describe where muscles are found in the body

• Explain how muscles work (slide 9)

• Define antagonistic muscle pairs

• Draw two simple diagrams of an arm: one straight and one bents, showing the antagonistic muscle pair that move the forearm

• In each diagram, colour the contracting muscle in red and the relaxing muscle in blue.

Task 6c: Copy and complete the paragraph

To bend your arm, your bicep ___________. This will pull the  ________ of you upper arm and lower arm closer together so your arm _________.  When the bicep contracts the triceps _____________ and gets longer and thinner. 

To straighten your arm your _________ contracts. This pulls the bones of your lower arm and upper arm further apart so your arm ____________. If the tricep contracts then the ____________ relaxes and gets ___________ and thinner.

Task 7b: Make a mind map or single page revision summary of this topic.  Use your notes and the BBC Bitesize pages to help you.