False,your respiratory muscle expand each time when you exhale.
Vertebrates have a bilateral symmetry due to which their entire body is divided into right and left halves while the invertebrates either have radial symmetry or the bilateral symmetry. Therefore, option D is correct.
The other basic differences between the vertebrates and the invertebrates are that vertebrates have a spinal cord and a backbone while invertebrates lack them, vertebrates have well developed brain, lungs or gills in respiratory system and closed circulatory system.
Answer:
i think its A but dont take my word for it
Explanation:
protien can be effected bc there are certain acids in your body and if u add more mutation then it messes with all the acid and stuff in your body and can be very harmful
It is surrounded by it's environment.