The answers are
1. nitrogenous
2. acid-base
3. fluid
Answer:
Red blood cells transport oxygen around the body. They are specialised to carry oxygen because they: contain large quantities of a protein called haemoglobin , which can bind oxygen. don't have a nucleus, so there is more room for haemoglobin.
Explanation:
The answer is A
Explanation: don’t mind the volume, look at the surface area-to-volume ratios because they affect the efficiently of a cell to obtain nutrients and eliminate waste.
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Answer: The grasshoppers are the herbivorous insects. These insects feed on leaves and grasses. ... The population of predatory birds, snakes and other animals feed on grasshoppers. If the grasshoppers become suddenly extinct, then the population of higher organisms will also decline in number or even extinct.
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Answer:
the bricks that make up a building