Exercise helps move blood and nutrients throughout your body so, it is very true.
Answer: <em>Examples for body wastes: Urine, carbon dioxide, earwax, tears and sweat.</em>
Explanation: <em>Excretion is the removal from the body of waste products which result from normal life processes. Waste products such as carbon dioxide must be removed. If they are allowed to accumulate they cause poisoning which slows down vital chemical reactions.</em>
Answer:
The carotid arteries branch off from the aorta (the largest artery in the body) a short distance from the heart, and extend upward through the neck carrying oxygen-rich blood to the brain
The spinal cord extends from the bottom of the brain stem to the lower back
