Which system covers and protects the tissues of the body from UV light and from infections due to bacteria and viruses?
Answers
Answer:
integumentary system
Explanation:
The integumentary system is an organ system consisting of the skin, hair, nails, and exocrine glands. The skin is only a few millimeters thick yet is by far the largest organ in the body. The average person’s skin weighs 10 pounds and has a surface area of almost 20 square feet. Skin forms the body’s outer covering and forms a barrier to protect the body from chemicals, disease, UV light, and physical damage. Hair and nails extend from the skin to reinforce the skin and protect it from environmental.
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The system covers and protects the tissues of the body from UV light and from infections due to bacteria and viruses is - the integumentary system,
The integumentary system is the outer covering of the body that is made up of the skin with other outer structures such as nails, and hairs. The integumentary system has several functions in the body.
It protects the body internal organs from infection from viruses and bacteria. It avoids dehydration.secrete oils that enhances the barrier function of the skin from UV radiation from the sun.provide the first line of defense against infection. sweat glands present on skin help in thermoregulation. produce vitamin D from by sun exposure by cholesterols. neurons imbedded on the integumentary layer to sense the outside world.Thus, the correct answer is - the integumentary system
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Related Questions
How does the field of science gain knowledge and understanding
O by using the latest technologies
O through the testing of hypotheses
O by making value judgments
O through deductive reasoning
Answers
Science gains knowledge and understanding through the testing of hypotheses.
A hypothesis is a given explanation of a particular phenomenon from the real world, which is tested (i.e., either verified or rejected) by using the scientific method.The scientific method is a methodology based on experimental and observational procedures that allow obtaining and interpreting empirical evidence.Subsequently, the evidence obtained from experimentation and/or observation is assessed in order to accept or reject the working hypothesis.Learn more in:
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Answer:
through the testing of hypothese.
Explanation:
What part of the chloroplast does the
Calvin Cycle take place?
stroma
thylakoid
grana
Answers
Answer:
stroma :)))).... ... this is correct
The production of offsrpings is a charatericities of life that enables the continuation of a species.
Answers
Answer:
"Reproduction" is a characteristic of life that enables the continuation of a species
Explanation:
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good morning
define filtration process
Answers
Answer:
Good morning
Have a great day ahead.
❤❤
Answer:
Filtration is the process of separating suspended solid matter from a liquid, by causing the latter to pass through the pores of some substance
Which variable responds to the changes of the independent variable? A-independent B-causation C-dependent D-Controlled
Answers
Answer:
The dependent variable
Explanation:
The independent variable is always changed by the scientist, and what happens then is known as the dependent variable because it depends on the indépendant variable!
differentiate between larva of culex mosquito and that of anopheles mosquito on the basis of feeding habit
Answers
Answers in the image
Hope it helps!
Explanation:
•larva of culex mosquito is bottom feeder where is Lava of anopheles mosquito is surface feeder
• Culex mosquito respiratory siphon is long whereas a the anopheles mosquito respiratory siphon is short
•Culex mosquito form an angel inside water whereas anopheles mosquito remains of parallel with water surface
Describe the mammalian heart
Answers
Answer:
The heart is divided into four chambers consisting of two atria and two ventricles; the atria receive blood, while the ventricles pump blood. The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus; blood then moves to the right ventricle where it is pumped to the lungs.
if plants need light to grow then plants in the shade will grow more slowly what is the student doing
Answers
1. Why do you think car crash fatalities (deaths) have decreased since 1950?
Answers
Answer:
beacuse people now wear their seat belts and bc we now have stop signs
Please help me..
Please answer correctly
Answers
Answer:
See the procedure given in the attachment
Describe an alternative name for Enzymes. Explain why is this an appropriate term?
Answers
Describe how scientific investigations lead to new scientific questions.
Answers
Answer:
Scientific investigations produce evidence that helps answer questions and solve problems. If the evidence cannot provide answers or solutions, it may still be useful. It may lead to new questions or problems for investigation. As more knowledge is discovered, science advances.
CAn you help me with this question on abiotic and biotic
Answers
biotic and non living
iruses, not bacteria, cause cold and flu. However, some people demand antibiotics from their doctors to help control the symptoms of these diseases. Do you think the use of antibiotics in these situations has an effect on antibiotic-resistant bacteria? Explain your reasoning.
Answers
Answer:
i think that if you use antibiotics your body wouldn't get exposed to the bacteria as much as if you got sick, making your body more dependent on the meds because your body hasn't produced the antibody's against the bacteria
Explanation:
Which is not accurate concerning plate tectonics?
a.Some continents are drifting apart
b.There are seismic activity at the margins of the crustal plates
c.The continents ride on crustal plates
d.The continents are fixed in position
Answers
Answer:
There are seismic activity at the margins of the crustal plates , I think
How do plant and animal breeders
use the process of artificial
selection to increase productivity
in their crops and herds?
A. The breeders choose organisms with the most
desirable traits and breed them.
B. The environment selects the traits that are
passed on, and the breeders have no control over
it.
C. Artificial selection is a theory and does not
work, so breeders do not use it.
Answers
A animals and plants have sources
I think
Selective breeding is the practice of pairing parents who share particular features in order to produce offspring who have a greater number of desirable traits.Thus, option A is correct.
What plant and animal breeders process artificial selection?Selective breeding is the practice of pairing parents who share particular features in order to produce offspring who have a greater number of desirable traits. Humans have carefully selected a wide range of plants and animals for thousands of years, including agricultural species with higher yields.
Instead of allowing the species evolve spontaneously without human involvement, as in natural selection, people chose animals or agricultural products based on desirable qualities, a practice known as "selective breeding,” or artificial selection.
Therefore, The breeders choose organisms with the most desirable traits and breed them.
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What would an organism need to do to release energy
from a carbohydrate, a lipid, or a protein? What two
elements are involved?
Answers
Organism needs enzymes in order to release energy from carbohydrate, a lipid, or a protein.
Amylase is the enzyme which is responsible for the breakdown of carbohydrates secreted by salivary glands. Pepsin, trypsin and chymotrypsin are the enzymes responsible for the digestion of proteins while on the other hand, lipase is the enzyme that is responsible for the digestion of fats in the body so we can conclude that enzymes are required by the organism for the release of energy.
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2. What is the pH of a very acidic solution?
a:5
b:10
c: 1
d:14
Answers
C
Explanation:
Acidic pH ranges from 0-6, lower numbers being more acidic
amoeba sisters: cellular respiration
Answers
Which characteristic should describe all evidence collected by a scientist?
Answers
Answer:
creativity, curiosity, Logical
Which book asserted that due to the expanding human population, the ecosystem will collapse by the middle of the twenty-first century?
Answers
Answer:
Dennis Meadow's, asserted that due to the expanding human population, the ecosystem will collapse by the middle of the twenty-first century.
Our greatest glory is not in never falling, but in rising every time we fall.what class does kingdom protoctista belong to?
Answers
Answer:
Paraphyletic group
I believe it is correct
Explanation:
Kingdom protoctista are in the eukaryotic class. They are single celled.
examples are Protozoa and dinoflagetes.
5. A hungry person had a meal, after which the concentration of glucose and amino acids in the blood were determined. This was measured hourly as the blood passed through the hepatic portal vein and the iliac vein in the leg. The results were as shown in the table below. Time (Hrs) Concentration of contents Hepatic portal vein (Mg/100ml) Glucose Amino acids Glucose 85 1.0 1 85 1.0 85 140 1.0 125 1.5 3 130 1.5 110 3.0 4 110 1.5 90 5 90 3.0 90 6 90 2.0 90 7. 90 1.0 90 in Concentration of contents in the iliac vein of the leg (Mg/100ml) Amino acids 85 1.0 1.0 1.0 ou WNHO 2.0 1.0 1.0 a) Using the same axes draw graphs of concentration of glucose in the hepatic portal vein and the iliac vein in the leg against time (7mks) b) Account for the concentration of glucose in the hepatic portal vein from; i) 0-1 hour (2mks) ii) 1-2 hours (3mks)
Answers
Answer:
sorry for doing this but in my opinion doubt nut app is better then this
Answer:
wait im confuse?
Explanation:
Which of the following is an example of a proper fraction?
A.6/6
B.15/2
C.11/10
D.4/17
Answers
Need the answers due in a hour
Answers
Answer:
1) Description of coal:
2)Benefits of using coal for electricity
3)Negative consequences of using coal:
Explanation:
1)Coal is a black rock formed by decomposing organic material over millions of years.
2)Coal contains more energy and it is also cheaper than other fossil fuels.
3)Using coal releases more carbon dioxide than other fossil fuels and fosil fuel alternatives, causing damage to land, water and air.
Select the correct answer.
What’s a disadvantage of the point count method of population monitoring?
A.
It leads to the death of the sampled individuals.
B.
It only records trends in population at fixed locations in the ecosystem.
C.
It requires traversing through the ecosystem, which may be difficult in rugged terrain.
D.
It’s only useful for monitoring organisms that are fixed in one place.
E.
It requires capturing the animal for a brief period of time.
Answers
Answer:
it's only useful for monitoring organism that are fixed in one place
Answer:
It only records trends in population at fixed locations in the ecosystem.
Explanation:
I got a 100%
identify iron by its properties
Answers
Iron is a lustrous, ductile, malleable, silver-gray metal (group VIII of the periodic table). It is known to exist in four distinct crystalline forms. Iron rusts in damp air, but not in dry air. It dissolves readily in dilute acids.
Standard potential: - o.44 V (Fe2+/ Fe); 0.77 V ...
Density: 7.8 g.cm-3 at 20°C
Melting point: 1536 °C
Ionic radius: 0.076 nm (+2); 0.064 nm (+3)
Someone plz help me :(
Answers
Answer:
c
Explanation:
name five substances found in caspular space
Answers
Answer:
Bowman's capsule encloses a cluster of microscopic blood vessels—capillaries—called the glomerulus, where wastes are filtered from the blood.
Explanation:
circle the term that does not belong in each of the following groups, and briefly explain why it doesn't belong rock, cells, metabolism, growth
Answers
Answer:
Rock
Explanation:
Rock doesn't belong in the group because it's a non-living thing. It can't reproduce like cells do, it can grow (growth means ability to increase in size, height) and it can't undergo metabolism.
