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professor190 [17]
2 years ago
9

Why does the stomach have three layers of muscle?

Biology
1 answer:
vfiekz [6]2 years ago
3 0

Answer:

The three layers of smooth muscle consist of the outer longitudinal, the middle circular, and the inner oblique muscles. Construction of these muscles helps mix and break the contents into a suspension of nutrients called chyme and propels it into the duodenum.

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What type of membrane provides lubrication to the pleural, pericardial, and peritoneal cavities?
jenyasd209 [6]

Answer;

-Serous membrane

Explanation;

-Serous membranes are thin membranes that lines the internal body cavities and organs such as the heart, lungs, and abdominal cavity. The thin membrane is made up of mesothelium tissue which originates from the mesoderm.

-These membranes consists of a single layer of flattened mesothelial cells applied to the surface of a thin layer of collagenous tissue that attaches to underlying endothoracic/transversalis fascia. They function to preclude adhesions among organs, thereby allowing organs to move freely relative to one another.

6 0
3 years ago
What is 48% expressed as a fraction in simplest form?
Gekata [30.6K]
In order to turn percent to a fraction, first, we write it as 48/100. Then, from there we simplify it to the simplest form.

48/100 = (48/4) / (100/4) = 12/25

So, 48% <span>expressed as a fraction in simplest form is 12/25.</span>
3 0
3 years ago
Read 2 more answers
How are girdles used in turtle respiration and be able to describe the morphology of turtle respiratory system in regards to inh
Ivahew [28]

Answer:

The pectoralis muscle moves the front limb inward and the transverse abdominal muscles moves the posterior limiting membrane up. The limbs are brought into the shell, pushing up on the lung, causing air to expel by the muscles contracting.

To Breathe air in, the serrates muscle pulls out, the abdominal oblique pulls down and the weight of the viscera allows air to flow in, via negative pressure.

Explanation:

hope this helps you if not sorry :)

6 0
3 years ago
Using the allele D to stand for a dominant sex-linked trait, show a cross with a woman who does not have a dominant sex-linked d
Mazyrski [523]

Answer:

There is no chance at all that the disorder carries out to their children that's if the woman has two dominant traits DD. If the woman has One dominant and one recessive Dd there is a 50% chance their kids may get the disorder.

Explanation:

3 0
3 years ago
Upon assessing the client's jaw, the nurse finds decreased range of motion and notes crepitus. what would the nurse suspect?
sashaice [31]
The nurse should suspect of a fractured jaw.

The crepitus is a common sign of bone fracture and it's heard when the fractured surfaces of two broken bones rub together.
Also If there is a severe jaw fracture, the patient might experience limited ability to move the jaw or be unable to move it at all.
3 0
3 years ago
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