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Vinil7 [7]
2 years ago
14

______ are structures that allow for one-way blood flow through the heart.

Biology
2 answers:
Eva8 [605]2 years ago
9 0
Valves are structures that allow for one-way blood flow through the heart.
Grace [21]2 years ago
4 0
The answer is valves. Valves exist all throughout the cardiovascular system, but are especially important in the heart. 
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Why can water be a good insulator within the body of endothermic (warm-blooded) animals?
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7 0
1 year ago
Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently consumed coffee would have incr
adell [148]

Answer:

B) cAMP

Explanation:

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Caffeine is  central-nervous-system stimulant and the mechanisms of its action usually are: mobilization of intracellular calcium or inhibition of specific phosphodiesterases.

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3 years ago
How are meiosis and<br> mitosis different?
goldenfox [79]

Answer:

Mitosis provides two diploids (2n) somatic cells that are genetically indistinguishable from each other and the primary parent cell, whereas meiosis creates four haploids (n) gametes that are genetically individual from each other and the original parent (germ) cell.

Explanation:

3 0
2 years ago
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What evidence would indicate a new material has been produced?
Ratling [72]
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7 0
2 years ago
An individual sustained a closed head injury in a rock climbing accident. In the ER the RN elevates the head of the bed at 30 de
mote1985 [20]

Answer:

Answered below

Explanation:

Head injuries may be penetrating head injury or closed head injury.

A major concern for health professionals regarding intracranial injuries resulting from closed head traumas, is the management of intracranial pressure. Elevated intracranial pressure have negative effects on the brain and immediate management of raised intracranial pressure is important to avoid cerebral edema, intracranial hematoma, brain herniation and even death.

The usual procedures in the management of head injury include elevating the head to about 30 degrees. This position promotes cerebral venous drainage and decreases intracranial venous pressure and intracranial pressure as well.

This is helpful because when the patient is left in the horizontal position, the intracranial pressure becomes significantly higher and the have fatal consequences.

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