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
ASHA 777 [7]
3 years ago
11

What is the major function of valves in human veins

Biology
1 answer:
Olenka [21]3 years ago
3 0
To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).         
You might be interested in
Many reservoirs are fed by underground water supplies flowing in _____.
stepladder [879]

aquifers yaaaaaaaay water from underground usually comes from aquifers

7 0
3 years ago
Read 2 more answers
For an x-linked gene, there are two alleles, a and
Temka [501]
So basically you have to like multiply and stuff so you would freaking get like 250 or something. 
6 0
3 years ago
Describe the difference between natural selection and evolution in three sentences.
Allisa [31]

Answer:

Evolution is a gradual change in the inherited traits of a population over many generations. Natural selection is a mechanism where the members of a population best suited to their environment have the best chance of surviving to pass on their genes.

4 0
4 years ago
Write the main strategy to prevent flood<br><br>Help please ​
Anna007 [38]

Answer:

Flood barriers are very affordable, lightweight metal barriers may be installed in different places and taken away when water disappears.

Explanation:

6 0
3 years ago
Lab safety and lab equipment worksheet answers true or false
nikitadnepr [17]
I'm sorry, but is this a question? I'm a bit confused.
6 0
3 years ago
Read 2 more answers
Other questions:
  • Jill is 5 years old. She has been diagnosed with ADHD and shows signs of learning disabilities. Her doctor suggests that Jill's
    11·1 answer
  • Which of the following statements is NOT true about valley glaciers?
    15·2 answers
  • Earth’s average temperature would be about ____ than it is now without the greenhouse effect.
    15·2 answers
  • The human reproductive systemA) is as essential to the survival of an individual as all other anatomic systems.B) remains functi
    7·1 answer
  • During the fall, squirrels store food to prepare for winter. Which of the following changes in the environment during the winter
    11·2 answers
  • Enzymes ___ the activation energy threshold required to start a chemical reaction lower or raise
    5·1 answer
  • Which statement best illustrates vibrational motion?
    10·1 answer
  • Insects have two major body segments—the cephalothorax and the abdomen. True/False
    14·1 answer
  • What are the sources of the energy that drives the earth’s processes?
    13·1 answer
  • Which of the following statements correctly explains how this process works?​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!