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Andrew [12]
2 years ago
7

Consider the roles of valves and blood vessel walls in moving blood through the body. If you were given a piece of flexible tubi

ng and a small piece of plastic, how might you design a simple model that would simulate those roles?
Biology
1 answer:
Shtirlitz [24]2 years ago
3 0
<span>The tube is like a blood vessel, and the plastic is just like the valves. The plastic piece in the tube opens when the water flows in the correct direction and close when water backflows. </span>I hope that this is the answer that you were looking for and it has helped you.
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alguien que me ayude con esta pregunta por favor cuáles son las enfermedades que se desarrollan lentamente pudiendo durar mucho
Anarel [89]

Answer:

Enfermedad que se desarrolla lentamente, pudiendo durar mucho tiempo o incluso el resto de la vida de una persona. Un ejemplo es la artritis.

Explanation:

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Enfermedades que llevan a la muerte

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8 0
2 years ago
Help asap plsssssssssssssssssssssss
natita [175]
This is a question that you would have to answer

for example: i found a small and colorless bear looking animal(sight). When i touched it was fuzzy and soft(touch). It smelled like dirt and lavender(smell). The creature was sleeping and it was breathing slowly(hearing). I took one of its hair’s and it was like human hair(taste)

BUT REMEMBER since it’s a species it could be an animal or human or a plant.

hopefully I could help!!
3 0
3 years ago
Help pleas due in 25 minutes. this is the 3 time that I have posted this question
ANEK [815]

Answer:

you would use your muscles from your legs and your body to get up from your bed and go to your fridge, your muscular system helps you up by being a structure for the muscles to apply force, you will use arm muscles for getting out cookies and milk. Then you will drink and eat your cookies and milk with your jaw muscle and send it down your esophagus to the intestines for the digestive system to break down your food. Then you will use your legs(muscles) to go back to your bed and sleep. (don't copy this whole thing it is not complete and you must add stuff so it is complete im just giving you an idea or the structure of this essay)

6 0
3 years ago
Of all the organisms that are living today what percentage will eventually become fossils
Pani-rosa [81]

✯Hello✯☆(❁‿❁)☆

↪  I think its from 6%-10% of living organisms today that will become fossils

↪  Animals have a less likely chance since they have parts that are difficult to become fossils (like teeth, bones)

↪  Plants may decompose and go underwater to be used as Crude Oil

↪  Most of the population are humans, which will be extremely hard to fossilise

HOPE THIS HELPS

★ВУёヽ(‘∀`○)ノВУё☆

❤Gianna❤

7 0
3 years ago
Which is a physical change?
Salsk061 [2.6K]
C is the correct answer
7 0
3 years ago
Read 2 more answers
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