It's D. Stretching opens up arteries. This makes blood more able to get through and lowers blood pressure. Stretching makes your muscles ready for an exercise. Improved circulation is just like lowering blood pressure because it opens up arteries, veins, and capillaries. D is wrong because stretching doesn't make your heart stronger. I hope this helps! :)
Explanation:
Regular cardio, strength training, workout for improving muscular endurance, and flexibility exercises are all going to contribute well towards a healthy body fat content. Together with healthy eating you should be able to achieve your fitness goals.
I would Say C. Because you need meat to build up your Strength
By Antibodies and Plasma cells
