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2 years ago

List three general functions of the thoracic cage.

Biology

1 answer:

sveticcg [70]2 years ago

8 0

Answer:

1. Protects the heart, abdominal organs, and lungs

2. helps with breathing

3. supports the bones of the shoulder girdle & arms.

Explanation:

The thoracic cage is a part of the skeleton system, formed of 12 pairs of ribs, costal cartilages, the sternum, and the 12 thoracic vertebrae.

Three major functions of the thoracic cage are -

-The thoracic cage has a heart, lungs, and some abdominal organs in its cavity and prevents it from any shock or injury.

-As thoracic cage contains the lungs in its cavity, When the muscular diaphragm contracts and flattens, an inhalation is completed while the contraction of intercostal muscles rise the thoracic cage up and out.

-The thoracic cage provides attachments for muscles of the upper limbs, neck, abdomen, thorax, and back and supports the shoulder girdle.

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The microorganisms that inhabit the sludge at the bottom of a lake would live in which microbiota zone

Margaret [11]

Answer:

Explanation:

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Organic matter that is not consumed in surface layers sinks to the depths and is decomposed by anaerobes.

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2 years ago

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2 years ago

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19. If a scientist needs to use a large dataset to explore how corn grows in different soils, how would this data be classified?

Illusion [34]

ANSWER:

The correct option is B- Qualitative.

EXPLANATION:

When the growth of corn has to be recorded, the quality of the corn grown in different soils needs to be recorded. Qualitative methods are best used to classify quality of anything.

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3 years ago

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The rate of a typical enzymatic reaction is increased by which of the following changes?A. Decrease substrate concentrationB. In

galben [10]

Answer:

D. Increase in temperature from 20 degrees C to 37 degree C

Explanation:

A decrease in substrate concentration might not necessarily lead to an increase in enzymatic activities.

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The correct option is D.

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2 years ago