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Readme [11.4K]
2 years ago
9

In the skeletal system, which are the two main tissues responsible for structural support in the body?

Biology
1 answer:
s344n2d4d5 [400]2 years ago
7 0
The two main tissues responsible for structural support are BONES AND CARTILAGES. Bone which is made up of collagen and calcium phosphate provides support and protection for body organs. Cartilage which is made up of closely packed collagenous fibers provides flexible support for some structures such as ear, nose and trachea. 
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What did Sumerians believe? CHOOSE ALL ANSWERS THAT ARE CORRECT A. The Sumerians believed it was their responsibility to keep th
Anna11 [10]

What did Sumerians believe? CHOOSE ALL ANSWERS THAT ARE CORRECT​

​Answer : A.) and B.)

A.) The Sumerians believed it was their responsibility to keep the gods happy.​

B.) The Sumerians believed in many gods.

​Hope this helps!​​​​

​\textit{\textbf{Spymore}}​​​​​​

6 0
3 years ago
Read 2 more answers
Ringing in the ears is called:
Elza [17]

Answer:

c. tinnitus

Explanation:

Tinnitus (a hearing impairment) is a form of  hearing of sound when no external sound is present Which is often described as a Ringing,Tinnitus may also sound like a clicking or roaring. i.e usually unclear voices or music are heard. The sound may be soft or loud, low or high pitched, and appear to be coming from one or both ears. Ranging from one person to another, the sound may causes depression or anxiety and can interfere with concentration.

Otitis externa is a condition that causes inflammation , the inflammation also covers  (redness and swelling) of the external ear canal, i.e the tube between the outer ear and eardrum.

Meniere's disease popularly called (MD), is a disorder of the inner ear that is characterized by episodes of feeling like the world is spinning (vertigo), hearing loss, and a fullness in the  ear. The cause of MD involves both genetic and environmental factors. Some of the factors include constrictions in blood vessels, viral infections, and autoimmune reactions.

Otosclerosis is a condition where one or more foci of irregularly laid spongy bone replace part of normally dense enchondral layer of bony otic capsule in the bony labyrinth. This condition affects one of the ossicles (the stapes) resulting in hearing loss, vertigo or a combination of symptoms.

Therefore from the foregoing we can conclude that Tinnitus is the correct anwser.

4 0
3 years ago
Read 2 more answers
Put "Polygenic Traits" in a sentence
Nata [24]

Answer:

Polygenic traits are controlled by a number of separate genes.

Hope it helps! :D

4 0
2 years ago
Read 2 more answers
The Seven Sisters are seven stars located more than 400 light-years away in the Taurus constellation and they can be seen here w
Ghella [55]

Answer:

Option B

Explanation:

The seven stars are bigger in size as compared to the size of the sun. Also, these stars are more luminous as compared to sun. However, these stars appear small in size in comparison to sun because of their distance from earth. The larger is the distance, the dimmer is the star. Sun is at a distance of 0.0000158 Light years from Earth while the nearest star of the seven sister i.e Alpha Centauri is 4.37 light years away.

Hence, option B is correct

8 0
3 years ago
Which of these conditions indicate positive feedback has occurred?
aleksklad [387]

Answer;

A) Blood pressure decreases greatly; blood flow to the heart is inadequate, and blood pressure decreases.

Explanation;

-With negative feedback, the output reduces the original effect of the stimulus. While in a positive feedback system, the output enhances the original stimulus.

-Negative feedback is the most commonly used feedback loop in the body. Negative feedback is used to negate or counteract a stimulus without completely eradicating it.

-One key difference between the two feedback is that positive feedback loops are used to eradicate a stimulus. Another key difference is that responses through positive feedback become more amplified over time. So once a stimulus activates a positive feedback loop it is not turned off until the stimulus is completely removed.

8 0
3 years ago
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