Answer:
The answer to the first question should be b.
Explanation:
Throughout your body, minerals help build bones and provide structural support. In your mouth, calcium helps harden your enamel and strengthen your jawbone. Hope this helps!
If they have cell walls it will be hard for the material to get in and out of the cell resulting in cell death or damage
Answer:
Bones are much more well vascularized than cartilage so blood cells are able to carry in nutrients and facilitate healing. 2. ... Broken ends of the bone protrude through soft tissues and the skin.
The circulatory<span> and </span>respiratory systems<span> work together to circulate </span>blood<span> and oxygen throughout the body. Air moves in and out of the </span>lungs<span> through the trachea, bronchi, and bronchioles. </span>Blood<span> moves in and out of the </span>lungs<span> through the pulmonary arteries and veins that connect to the heart
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