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! :)
Answer:
A. Medication for ADD or ADHD
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Answer:
The mitochondria - power plant
cytoplasm - inside fluid
ribosome - assembly shop
lysosome - recycling
Endoplasmic reticulum - conveyor belts
Golgi Body - packaging
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