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Leokris [45]
3 years ago
11

What is the function of an exoskeleton?

Biology
1 answer:
Arturiano [62]3 years ago
5 0
11.To protect the internal organs against attack or damage 2.To give structural support to the internal organs, muscles and sinuses 3.To facilitate the movement of limbs & appendages.
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(Ch. 27.4) Many people are allergic to substances in the environment, such as ragweed pollen, as well as foods, such as peanuts.
djverab [1.8K]

Answer:

C. The substance does not directly harm tissues and is not a pathogen, but nevertheless triggers an inflammatory response.

Explanation:

When a person is allergic to a substance, his or her immune system recognizes a harmless substance, such as components in food, pollen, or dust, as a treat. As a consequence, it starts an immune response that leads to inflammation. The substance that starts the allergic reaction is called an allergen, and it is not a pathogen because it is not a real threat to the body since it does not infect cells. When the allergen enters the body, it binds to antibodies that are in contact with a special type of cell. These specific cells will release a substance known as histamine. Histamine will produce an inflammatory reaction affecting different tissues in our body. For example, it can make us sneeze, have a running nose, swelling parts of our body, have itchiness and redness, amongst others.

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Which hip bone forms the superioir part of the pelvic girlde that extends upward from the acetabulum
Mars2501 [29]

The ischium bone forms the superior part of the pelvic girdle.

<h3>What is the structure of the pelvic girdle?</h3>

In the bottom region of the trunk, there is a bony structure known as the pelvic girdle that resembles a ring. It joins the lower limbs to the axial skeleton. There are two types of pelvises: the bigger pelvic and the lesser pelvis.

The pelvis is made up of two paired hipbones that are joined at the pubic symphysis in front and by the sacrum in back. Each hipbone is composed of three bones: the blade-shaped ilium above and to either side, which determines the hips' width; the ischium below, on which the weight is placed when sitting; and the pubis in front. Early in maturity, all three come together at a triangle suture in the acetabulum, the cup-shaped socket that connects to the head of the femur to create the hip joint.

Learn more about pelvic girdle here:

brainly.com/question/14465949

#SPJ4

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seropon [69]
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