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
bearhunter [10]
3 years ago
14

The purpose of the ______ system is to prevent foreign substances from entering the body and to attack foreign substances that a

re in the body.
A. immune
B. endocrine
C. nervous
D. excretory
Biology
2 answers:
earnstyle [38]3 years ago
7 0

Answer:

Immune

Explanation: The immune system is the body's defense against infectious organisms and other invaders. Through a series of steps called the immune response, the immune system attacks organisms and substances that invade body systems and cause disease. The immune system is made up of a network of cells, tissues, and organs that work together to protect the body.

kaheart [24]3 years ago
3 0
A. Immune because this is what the immune systems job is
You might be interested in
What characteristics distinguishes Kingdom Plantae from Kingdome Fungi?
WARRIOR [948]

Fungi contain cell walls made of chitin.

3 0
3 years ago
When does the chunk of ice have the most potential energy?
klasskru [66]

An enormous rift in one of Antarctica’s largest ice shelves grew dramatically over the past month, and a chunk nearly the size of Delaware could break away as soon as later this winter, British scientists reported this week.

If this happens, it could accelerate a further breakup of the ice shelf, essentially removing a massive cork of ice that keeps some of Antarctica’s glaciers from flowing into the ocean.
4 0
3 years ago
Water and ice have different___because of hydrogen bonds, which is why ice floats on water
bezimeni [28]

Answer:

Ice floats on water because it is less dense than water. When water freezes into its solid form, its molecules are able to form more stable hydrogen bonds locking them into positions. ... Ice floats on water because it is less dense than water.

8 0
2 years ago
Only about ______ of water is fresh and suitable for human use.
Anastaziya [24]
<span>Only about 75% of water is fresh and suitable for human use.

Hope I helped ^_^

Please hit dat "THANKS" button!</span>
5 0
3 years ago
One reason that multiple approaches are often taken to answer a testable question is that scientists
Tju [1.3M]
<span>look at each perspective on how the phenomenon might have took place in a different kind of perspective. Multiple approaches are explored to see which condition fits and answers the query the most -accurate and reliably.

developing a technique for observing an object that has yet to be observed


</span>Thus, to achieve the creative approach above the researchers must utilize and apply the scientific method in gathering, interpreting and analyzing empirical evidence. 

<span>Empirical evidence, data or knowledge is an obtained set of facts or figures or existing and presenting data that was yielded during the process of experimentation or scientific discovery. These empirical data or evidence is further studied and investigated by the scientist in a formal scientific approach which follows the steps of observation, making a hypothesis, gathering data, interpreting data and evaluating the data. These steps of the scientific approach are vital in the course to explain and discuss the result and evidence obtained during the process.
</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • Using land for agriculture and forestry can lead to soil erosion. Which of the following decreases with increased soil erosion?
    15·1 answer
  • In pea plants, red flowers and round pollen are known to be recessive traits. In a dihybrid cross experiment, lots of plants wit
    13·1 answer
  • There are several different kinds of aquatic ecosystems. Bogs get their water from precipitation, so they don't have many Fill i
    5·2 answers
  • A property of living and non living things
    6·1 answer
  • Who created binomial nomenclature
    13·2 answers
  • Corbin recently found out that he has cancer, and he now strictly follows a treatment, diet, and exercise program that the docto
    8·1 answer
  • What is science ? explain .​
    9·1 answer
  • Which of the following is an example of an advantageous trait? *
    9·2 answers
  • Classify as man-made or natural extinction: Global Cooling during ice ages
    11·1 answer
  • The thyroid is an endocrine gland that regulates metabolic function through the production of all of the following hormones exce
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!