biology 8

The skeleton ___ important INTERNAL ORGANS. The main function of the skeleton - to ____ OUR BODIES. The skeleton helps our bodies to ___ by a system of JOINTS.

• supports - protect - move

• moves - protect - support

• protects - support - move

• protects - move - support

Fill in the blank:

To___ our forearm, our ______. The ______.

• raise - bicep contracts - triceps relaxes

• lower - triceps contracts - biceps relaxes

• raise - bicep relaxes - triceps contracts

• lower - biceps contracts - triceps relaxes

How are we able to raise/lift our forearm?

fill in the blank

What are the two types of digestion? Give an example for each.

What two organs are connected by the oesophagus?

• mouth and liver

• liver and mouth

• mouth and stomach

• stomach and liver

deoxygenated/oxygenated

label the diagram

What is the difference between an artery and a vein?

label the diagram