Câu 5 : Em hãy cho biết nguyên nhân của sự mỏi cơ, biện pháp chống mỏi cơ ? Câu 6: Máu gồm những thành phần nào? Vai trò của mỗi thành phần?
Câu 7: Thành phần của môi trường trong cơ thể?
Câu 8: Các nhóm máu ở người? Cho biết nguyên tắc truyền máu?

When the intestine becomes infected with the food borne illness bacteria e. coli, the bacteria releases a enterotoxin that causes excessive loss of water and electrolytes in the intestines. necessary to return the osmolality of the intestines to normal?

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Where can dna be found in a prokaryotic cell