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NARA [144]
3 years ago
5

List the four levels of organization in the human body from smallest to largest give an example to each level

Biology
1 answer:
sukhopar [10]3 years ago
5 0
Cell -> tissue -> organ -> organ system -> organism

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What are two of the products of the Krebs cycle?
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Answer: Option B) NADH and FADH2

Explanation:

The purpose of the Krebs cycle is to convert potential chemical energy into metabolic energy in the form of ATP that can be used by the body.

Hence, the products of the Krebs cycle include:

- 3 molecules of NADH,

- 1 molecule of FADH2,

- 1 molecule of GTP,

- 2 molecules of CO2

Thus, NADH and FADH2 are two of the products of Krebs cycle.

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During an assessment of a neonate born at 33 weeks' gestation, a nurse finds and reports a heart murmur. an echocardiogram revea
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3 years ago
Which 2 examples may be converted into fossil fuels after being buried under pressure for a long period of time?
krok68 [10]

Answer: -plants  

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Explanation:

Fossil fuels are the fuels which are generated after a long time taking geological process over the buried organic matter obtain from dead animals, animal dung and plants. The organic matter remain under the heap of earth crust under intense heat and pressure. The heat and pressure generate fuels which are valuable for the entire society as when they are burned they produce huge amount of thermal energy. These includes the crude oil like petroleum, natural gas and coal.

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3 years ago
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2- What are the primary sources of ionizing radiation ? Give examples of each
salantis [7]

Answer:

Ionizing radiation comes from these main sources:

Nuclear reactions in the Earth's sun and stars in space.

Radioactive decay in the body's tissues and in the soil.

Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.

Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.

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3 years ago
The “pacemaker” of the heart starts an electrical impulse in the right atrium to cause the atria to contract. What is the “pacem
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Hello!! The answer would be A - The SA node. It is known as the "pacemaker" because it initiates the heart's rhythmic contractions. I hope I helped!! Have a great day. :)

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3 years ago
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