1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
marta [7]
3 years ago
6

A flap of tissue that prevents blood from flowing back is a(n)________ .

Physics
1 answer:
ioda3 years ago
6 0
A valve is a flap of tissue that prevents blood from flowing back
You might be interested in
The briquette is better fuel than wood why give two reason​
Mekhanik [1.2K]

Answer:

wood

Explanation:

you can last longer with wood because you are using up gas when you drive your car that will mean that you will have to go and find gas if you run out an example like we are in the zombie apocalypse.

8 0
2 years ago
Which relationship benefits two organisms
grandymaker [24]

Answer:

mutualism

Explanation:

Mutualism, a relationship in which both species benefit, is common in nature. In microbiology, there are many examples of mutualistic bacteria in the gut that aid digestion in both humans and animals.

8 0
3 years ago
Neptune is approximately 4.5 billion kilometers from the sun. What is this distance in AU?
11111nata11111 [884]
Below are the choices that can be found from other source:

a. 0.3 AU 
<span>b. 3.8 AU </span>
<span>c. 30 AU </span>
<span>d. 3 million AU 
</span>
Answer is c. 30 AU. 

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
8 0
3 years ago
Read 2 more answers
If <br>1=5<br>2=10<br>3=15<br>4=20<br>what does 5 equal?
iogann1982 [59]
5 would be 25 if it continues in the same pattern
7 0
3 years ago
Which answer choice
Arada [10]

Answer:

can someone tell me the answer plz I'm in a rush

8 0
4 years ago
Read 2 more answers
Other questions:
  • An element's atomic number is 64. How many protons would an atom of this element have?
    14·2 answers
  • A rectangular storage container with open top is to have a volume of 50 ft3 . The length of the base of the container is to be t
    14·1 answer
  • A room that has an average ambient sound pressure level of 62 dBA and a maximum sound pressure level lasting more than a minute
    15·1 answer
  • An ice cube (n = 1.31) has a layer of water (n = 1.33) on it. What is the critical angle for a ray in water trying to enter the
    6·1 answer
  • Which of the following scientists successfully combined human understanding of forces
    10·1 answer
  • A wave with a frequency of 230 Hz has a wavelength of 0.25 meters. At what speed will this wave travel?
    7·1 answer
  • A person has a gravitational force (weight) of 600 N on Earth. Suppose the mass of the Earth is double and the radius shrinks to
    13·1 answer
  • A snow age is a period of time when much of the Earth’s land is covered in glaciers.
    6·1 answer
  • A skateboarder drops in off the top of one side of the half pipe shown below. She does not push off and starts from rest. She st
    13·1 answer
  • A student goes the beach. She thinks that at night the sand will get cooler faster than the ?water. Which describes the student'
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!