Well a person breathes harder when he/she exercizing because you are working hard and your body is not used to it so your trying to pass more air through the lungs
Explanation:
Cellulose, hemicellulose and lignin form structures called microfibrils, which are organized into macrofibrils that mediate structural stability in the plant cell wall.
The most important biological role of hemicelluloses is their contribution to strengthening the cell wall by interaction with cellulose and, in some walls, with lignin.
Choose and pick may be an example
B. Chitin
that' because both animals and fungus are eukaryotic and heterotrophic, so they share same characterstics in terms of feeding and cellular structure. In addition to both share the same protist supergroup, which is (Unikonta).
