What do you call the muscle beneath the chest cavity that contracts and expand during breathing?

Answers

Answer 1

Answer: diaphragm contracts when you inhale and relaxes when you exhale.

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NEED SCIENCE HELP PLEASEMammals
Amphibians
Land Plants
Bacteria
Protists

Place the above organisms in order of when they first appeared on Earth. Describe two (2) of the methods used by scientists to arrive at this conclusion.

Answers

Protists
Bacteria
land plants
amphibians
mammals

Which is a good source of omega-3 fatty acids? A. vegetables B. leafy greens C. flax seeds D. milk E. sunlight

Answers

Flax seeds are a good source of omega-3 fatty acids, especially alpha-linolenic acid (ALA). ALA is an essential fatty acid that the body can convert into eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Hence option C is correct.

EPA and DHA are the forms of omega-3 fatty acids that are most beneficial for health. Omega-3 fatty acids are a type of essential fatty acid that the body cannot produce on its own. They must be obtained from the diet.

Other good sources of omega-3 fatty acids include oily fish, such as salmon, mackerel, and sardines; walnuts; and chia seeds.

Therefore, option C) flax seeds are correct.

To know more about Flax seeds:

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C) Flax seeds.

Hope this helps you!

What do you think this is?? It hurts when I put pressure on it making walking difficult & is hard as well as discolored