Answer:
Cartilage rings of trachea have protective role
Explanation:
Trachea is a tube, part of the respiratory system, which allows the passage of the air: from larynx to lungs (primary bronchi). It is enveloped with cartilage rings that prevent collapse of the trachea when there is no air. The cartilage "rings" are C-shaped, except one full ring-shaped - the cricoid cartilage which attaches trachea to the larynx.
No
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I would help but this is the type of project to do on your own. I'd suggest planning out the image then building from there, or use graphs on the internet for inspiration. I wish you luck though :>
I am not 100% sure but I thinking it responds when pathogens enter the body because the immune system is meant to protect your body from illness.
Answer:
Organisms often preserved by carbonization include fish, leaves and the woody tissues of plants. permineralization or petrifaction takes place in porous materials such as bones, plants and shells
