false. you can hurt yourslef if you do static stretches with cold muscles. It's always good to warm up first.
Answer:
The risks are high. You will develop headaches, dizziness. The worst is heart disease and lung cancer from the chemicals. Stop driving cars. They excrete the chemical Carbon Monoxide, Sulfur dioxide. The factories also cause this. Which make nitrogen oxide and methane. We can stop making these car and factories to help us breathe.
Explanation:
True, if we exercise we have energy
Answer: Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins). The primary function of capillaries is the exchange of materials between the blood and tissue cells.
Explanation:
