Answer:
I would say stretching everyday. That is what makes more sense to me, but I could be incorrect.
Explanation:
If a person wasn't doing much physical activity before, I doubt they could just get up and do things two - four times a week. But, I also don't know your material.
Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
“Scientific models are often used in laboratories to represent Earth's processes. While field tests and observations are vital, physical, digital, and mathematical models are useful tools in the laboratory. Models provide insight into complex processes that might otherwise be difficult to grasp”
That would be rugby. Hope that helps!
