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Law Incorporation [45]
3 years ago
12

What blood vessels contain valves?

Biology
2 answers:
yaroslaw [1]3 years ago
4 0

Veins contain valves that ensure blood flows in only one direction. Valves also help blood travel back to the heart against the force of gravity.




Hope this helps.....

Andre45 [30]3 years ago
3 0

veins and capilliaries contain valves.

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Recycle and renew are the two R's that uses and transforms the waste material. Recyclables do not equate to renewable as recyclable materials do not occur naturally.

<h3>What are recyclable and renewable?</h3>

Recyclable is the resources that are used finite times over and over and undergo a certain process for re-use purposes.  They can be naturally or by humans, processed to be used again.

Renewable is resources that are natural and are replenished in nature when gets decreased by natural processes.

Some recyclables like aluminum and glass are not renewable as they are not formed naturally and do not get replenished by natural processes.

Therefore, recyclables are not renewables.

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