Extension exercises are exercises that benefits the triceps. The exercise involves bending the elbow and extending the arms in repetitive motion. Triceps are parts of the arms which runs from the shoulder down to the back of the elbow. Answer is B
B. the lymphatic system is responsible for filtering your blood.
It could be a lot of different things but the main one I think Is C) being born with the physical and cognitive abnormalities of fetal alcohol syndrome.
