Excerpt for SMALL INTESTINE, all of the following are considered accessory organs.
Answer:
•improved condition of your heart and lungs.
•increased muscular strength, endurance and motor fitness
•increased aerobic fitness.
•improved muscle tone and strength.
•weight management.
•stronger bones and reduced risk of osteoporosis
•better coordination, agility and flexibility.
They both control the backbone. I think. The Respiratory system
Is my favorite
I believe it’s D. It’s not A because when you use your muscles you’re getting micro tears that repair and grow.