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Alik [6]
3 years ago
13

The _______ are involuntary.

Biology
1 answer:
SIZIF [17.4K]3 years ago
3 0
Cardiac muscles are involuntary
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Given that the function of egg yolk is to nourish and support the developing chick, complete the explanation of why egg yolks ar
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Chick with in the egg depend for all its energy and food requirement on the egg yolk , therefore egg yolk is rich in fat, protein, and cholesterol.

Explanation:

Before the egg breaks and the chick comes out, few days nourishment for chicks is required. Hence, the egg yolk needs to be nutritious as new developing chick (with in the egg) rely for essential nutrients (required for growth) on the egg yolk. Chick require energy  from yolk, hence it is rich in fat (energy). It also needs to grow and develop, therefore egg yolk has lot of protein (building blocks). Lipid and cell with in the yolk help in formation of cell and strengthening of bones and feathers

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One of the key elements in creating a green economy is the construction of ________________.
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<u>A</u> One of the key elements in creating a green economy is the construction of <u>green buildings</u>.  

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Any economy relies on businesses and buildings, so a green economy is going to need green buildings to support a green economy as well.

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A. <span>Exposure to an antigen

Exposure to viruses and antigens led to the foundation of modern vaccination. Vaccination introduces an antigenic material that helps the ability of the immune system to adapt a specific pathogen, therefore leading to a long-term immunity.</span>
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The thermosphere

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What are some examples of anthropogenic atmospheric particulates? (Site 2)
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Explanation:

The natural particle sources include volcanoes, forest fires, ocean spray, biologic sources and the anthropogenic sources of particles are transportation, fuel combustion in stationary sources, a variety of industrial processes, solid waste disposal and miscellaneous sources such as agricultural activities and fugitive ...

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