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
Roman55 [17]
3 years ago
10

Identify how the physical barriers of the the immune system protect the body against pathogens

Biology
1 answer:
BabaBlast [244]3 years ago
7 0

Answer:

They help to stop harmful germs from entering the body

Explanation:

  • The skin can prevent bacteria and microorganisms from entering the body (unless it is damaged)
  • Mucous membranes line the mouth and nose and are coated with secretions that fight microorganisms and harmful bacteria
  • Tears help to clear debris from the eye to prevent infection
You might be interested in
The hierarchy of life extends past individual organisms. Which of the following is the correct sequence, from least inclusive to
Anna71 [15]

Answer:

E. Population - community - ecosystem - biosphere

Explanation:

Population is the set of organisms of the same species

Community is where organisms of different species live and communicate together

ecosystem is a biological system where ocommunities and environment are present.

Biosphere is where all ecosystem are present.  (let´s say, the earth)

3 0
4 years ago
Describe the components in the rock cycle
ololo11 [35]
The rock cycle<span> is a model that describes the formation, breakdown, and reformation of a </span>rock<span> as a result of sedimentary, igneous, and metamorphic processes. All </span>rocks<span> are made up of minerals.</span>
3 0
4 years ago
Read 2 more answers
Most popular breed of dog
siniylev [52]
<span>Poodle, Boxer, English Bulldog, Yorkshire Terrier, Golden Retriever, Beagle, German Shepherd, and <span>Labrador Retrievers are the most popular breeds of dogs, but there is not a "Most popular breed of dog" but many</span></span>
6 0
3 years ago
What’s meant by the term genetic variation?
Pepsi [2]

Answer:

Genetic variation is a term used to describe the variation in the DNA sequence in each of our genomes. ... Individuals of a species have similar characteristics but they are rarely identical, the difference between them is called variation

Explanation:

8 0
4 years ago
Read 2 more answers
The process of natural selection occurs randomly in nature. true or false
djverab [1.8K]
False in a sense because it is not random. It is just that some organisms have more advantageous characteristics than others. These genes are then passed on which makes the likelihood of the next generation surviving greater.
3 0
4 years ago
Other questions:
  • What is mitosis in biology
    12·1 answer
  • Which type of front occurs when cold air and warm air are next to eachother, but are at a stand still?
    5·1 answer
  • Sediment deposited where a river flows into an ocean or lake
    8·1 answer
  • Flattened membranes that package cellular substances for export are called
    7·1 answer
  • What most likely caused the rocks in this region to weather
    11·1 answer
  • How does the process of concentration affect vitamin c content of orange juice
    5·2 answers
  • 1. Two animals are mated. One is homozygous dominant for one character and homozygous
    8·1 answer
  • The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of wate
    15·1 answer
  • Describing Vascular Tissue
    10·2 answers
  • An unknown organism is brought to a scientist. She must decide if it is a fungus or a protist. Which claim about the organism is
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!