Muscular dystrophy affects the functioning of skeletal muscle. as this disease advances, it can impair the contraction of the diaphragm and the muscles of the rib cage. what effect will this have on the ability of people with this disease to carry out gas exchange?

They will be unable to breathe and may die of asphyxia if not medicated.

Explanation:

When the diaphragm muscle contracts, the thoracic cavity expands and this creates an area of low pressure compared to the outside environment. This allows air to rush in through the nose into the lungs. When the muscle contracts, the converse occurs. The thoracic cavity contracts creating an area of relatively high pressure. The air in the lungs is pushed out.

Therefore if the muscle is affected, breathing will be difficult leading to asphyxiation.

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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explanation:

lipid

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