Drag the question to the correct boxes to complete the pairs. Match each activity with the type of action uses to carry it out. Bicycle on the road Beating of the heart jumping when startled by a loud horn blinking your eyes every few seconds Reflexive action controlled bring the brain Involuntary but non-Reflexive action Reflexive action Voluntary action

Explain why phospholipid molecules form a bilayer. (3 marks)

Moving down the ramp from 6 meters to

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens