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SIZIF [17.4K]
3 years ago
9

___ help the flow of blood from atrium to ventricle. HELPPP

Biology
1 answer:
dangina [55]3 years ago
5 0

Answer:

the two atrioventricular valves

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A modified endowment contract is a type of life insurance contract which has been funded with more money than allowed. Such a life insurance will no longer be regarded as life insurance by IRS, it will be considered as a modified endowment contract.
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3 years ago
___ 1. When the combined effect of two drugs, each producing the same biological response by the same mechanism of action, is eq
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Answer:

Additive effects

Explanation:

In pharmacology, sometimes more than one drug is used to treat a disorder. The two or more drugs are used as they treat the disease more effectively than they treat the disorder independently.  The two drugs interact in one of the two ways: the additive effect and the synergistic effect.

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3 years ago
It is believed the major reason for the decline in amphibian species is _______.
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4 years ago
Shall I never be scared of anyone
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3 years ago
Which phenomenon leads to the formation of metamorphic rocks?
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The correct answer among the choices is C. heat and pressure. This is the phenomenon that leads to the formation of metamorphic rocks. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 
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3 years ago
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