1. Your circulatory system carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin. Your nervous system controls all these activities with electrical impulses.
2. The correct answer is speed. Explanation: A person's speed is measured as how fast he/she can travel a distance in a time interval.
3. The correct answer is speed. Explanation: A person's speed is measured as how fast he/she can travel a distance in a time interval.
