B. I believe if not B. that it has to be D.
All of the above is the correct answer
Answer:The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
Answer: chemical digestion: The process of enzymes breaking down food into small molecules the body can use.
Explanation:
ANSWER:
True
EXPLANATION:
When we practice sports skills we also improve our skill related fitness because skill related fitness includes training to improve our speed, agility, balance, coordination, power, and reaction time. These are usually used to help athletes improve performance for their particular sport or activity.When we practice sports skill,different sports include different skill related fitness factors mentioned above,so we improve them automatically.
