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
malfutka [58]
3 years ago
14

Veins have valves which allow blood to flow only in one direction. Arteries do not have valves. Yet the blood flows in one direc

tion only. Can you explain why? ​
Biology
2 answers:
Valentin [98]3 years ago
8 0

Answer:

Arteries carry oxygenated blood away from the heart. Veins carry the blood back to the heart. Veins contain valves that ensure blood flows in only one direction. Arteries don’t require valves because pressure from the heart is so strong that blood is only able to flow in one direction.

Explanation:

faltersainse [42]3 years ago
7 0

Answer:

Arteries carry oxygenated blood away from the heart. Veins carry the blood back to the heart. Veins contain valves that ensure blood flows in only one direction. Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.

hope it will help you

You might be interested in
Please help I’m so sad :( I need to explaination please
statuscvo [17]

Answer:yes

Explanation:

7 0
2 years ago
Certain elements, such as carbon and nitrogen, are recycled in nature and are released through the _________ of living things.
andrew11 [14]

Answer:

Decomposition

Explanation:

According to the carbon cycle when organisms die they decompose and release carbon.

Hope this helped!! :)

5 0
3 years ago
Read 2 more answers
How have crops been modified?
frez [133]

Answer:

Plants have been made more susceptible to pests for modification.

8 0
3 years ago
Name the planets in order from the sun.
Karolina [17]

Answer: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

Explanation:

7 0
3 years ago
Read 2 more answers
To learn to respond to specific stimuli, students must learn to differentiate between the s d and all other stimuli. what is the
alex41 [277]

These other stimuli are known as s - deltas.

<h3>What is an example of a stimuli?</h3>

Anything that can cause a change in behavior or physical state is a stimulus. Stimuli is the plural of stimulus. External or internal stimuli can be used. The way a medication affects your body is an illustration of an external stimulus. Your vital signs altering as a result of a change in your body is an example of an internal stimulus.

<h3>Which 3 stimuli are they?</h3>

mechanical, thermal, and chemical stimuli can activate three different types of nerve endings. Some endings are more sensitive to one type of stimulus than the others, but all can detect all three.

<h3>What do humans respond to as stimuli?</h3>

Events in the environment known as stimuli have an impact on behavior. A single stimulus can perform a variety of tasks.

learn more about stimuli here

<u>brainly.com/question/26507060</u>

#SPJ4

6 0
2 years ago
Other questions:
  • On a cold day let the water in the pan freeze outdoor
    14·1 answer
  • Besides having different chemical structures, what is the difference between glucose and ATP?
    13·1 answer
  • Moving companies often use what three simple machines
    7·1 answer
  • Which principle of stratigraphy could be used to determine the relative ages of Layer 7 and Layer 3?
    11·1 answer
  • Which nitrogenous bases pair with each other? What type of hydrogen bond forms between them?
    5·2 answers
  • In the lab, you use a special balloon that is permeable to water but not sucrose to make an "artificial cell." The balloon is fi
    7·1 answer
  • Gravitational potential energy is related to?
    5·1 answer
  • What is true of both DNA and RNA?
    10·1 answer
  • HELP ME ILL MARK U BRAINLEST
    5·1 answer
  • 1. Wave speed depends on the type of wave, the _______ , and the medium the wave is traveling through
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!