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Basile [38]
2 years ago
15

how does the content of the blood change when it leaves the right atrium and enters the right ventricle​

Biology
2 answers:
Nastasia [14]2 years ago
5 0
Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs
labwork [276]2 years ago
4 0
Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs.
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25 x 8= ?<br>100 what is the answer​
Digiron [165]

25 x 8

8 x 5 = 40 you put the 4 on top of the 8 and put the zero as your first number on your answer

8 x 2 = 16

then you get the 4 on top of the 8 and then add 16

16 + 8 = 20

20 -- 0

200

plz mark me as brainliest :)

3 0
3 years ago
To compare the relative ages of fossils, scientists sometimes use an easily recognized
Natalka [10]
<h2>Answer:</h2>

The fossil is <u>A) </u><u>Index fossil</u>.

<h2>Explanation:</h2>

Index fossils refer to the type of fossil which is used to characterize and distinguish geologic periods. Due to this function of index fossil, they are also called as guide fossil or indicator fossil.  These fossils must have a short vertical range, wide geographic circulation, and quick developmental patterns.

Another term, Zone fossil is utilized when the fossil have every one of the characters expressed above with the exception of wide topographical dispersion, they are restricted to a zone and can't be utilized for relationships of stratas.

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3 years ago
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MAVERICK [17]

Answer: c deltas

Explanation: hope this helps

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3 years ago
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kap26 [50]
The one on the left is ligase and the one in the right on top is polymerase bottom is helicase
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2 years ago
Compare the structure of prokaryotic and eukaryotic organisms.
pav-90 [236]

Answer:

Explanation:

Eukaryotic cells are cells that contains a membrane bound organelles this include the nucleus while prokaryotic cells do not have a membrane bound nucleus.

Eukaryotic cells have more than one One chromosome while prokaryotic cell has one chromosome that is not true chromosome.

Eukaryotic cell have a multicellular cell type while prokaryotic cell have a unicellular except for some cyanobacteria that may be multicellular.

Cell wall is present in eukaryote only in plant cells and fungi and it chemically simpler while prokaryote cell wall is Usually chemically complex

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