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OLEGan [10]
3 years ago
14

A single layer of irregularly shaped epithelial cells found lining the respiratory tract is called

Biology
1 answer:
ValentinkaMS [17]3 years ago
7 0
Diptheria. go see your doctor.
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Who Proposed a theory of gravity?
just olya [345]
Sir Issac Newton was the one who purposed the gravity theory.
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3 years ago
The functions of centrioles include ________. Serving as the site for ribosomal rna synthesis providing a whiplike beating motio
anzhelika [568]

Answer;

-Organizing the mitotic spindle in cell division

Explanation;

-A centriole is an organelle that helps cells divide, or make copies of themselves. Centrioles are only found in animal cells. All centrioles are made of protein strands called microtubules. Centrioles are made of nine triplets of microtubules arranged in a cylinder.

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3 years ago
Some synovial joints contain special crescent-shaped pads that provide additional shock absorption, and provide for a better fit
Ksivusya [100]

Answer:

menisci

Explanation:

Some synovial joints such as that of knees have crescent-shaped pads. These pads are made up of fibrocartilage and are present between the articular surfaces of the bones. These cartilaginous pads are attached to the fibrous capsule and are called articular discs or menisci.  

The function of the menisci is to serve in shock absorption and minimize the wear and tear of the joint. Meniscus also allows the articulating bony surfaces to fit properly and facilitate an adaptable surface for combined movements. Meniscus serves to distribute the weight over a greater contact surface and thereby makes the joint stable. It also spreads the synovial lubricant across the articular surfaces of the joint.

5 0
3 years ago
During childbirth, a hormone produced by the pituitary gland causes muscles of the mother's uterus (or womb) to contract. The mo
Leno4ka [110]

Answer:

Positive feedback is used to build more contractions.

Explanation:

Positive feedback mechanism in humans is also observed during childbirth which is induced by the pressing of the ovarian wall by the baby.

The pressing sensation is passed to the brain via different nerves, and in response, the brain stimulates the pituitary to produce oxytocin.

Oxytocin is responsible for the contractions of the uterine muscles which cause the movement of the fetus towards the cervix, further increasing the stimulus.  

The positive feedback loop continues until the baby is born.

3 0
3 years ago
Read 2 more answers
5th grade pls help!
Yanka [14]

Answer:

False

answer is FALSE. Metals are usually good conductors, while nonmetals are not usually good conductors.

Explanation:

hope it helps

7 0
2 years ago
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