What body pary enable movement,support,respiration and circulation

Chemistry

1 answer:

Brut [27]4 years ago

6 0

Bones, ligaments, cartilage, muscles, lungs, exoskeleton, heart, arteries, veins, and capillaries.

Hope this helps :)

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A gas mixture with a total pressure of 770 mmHg contains each of the following gases at the indicated partial pressures: 128 mmH

Alina [70]

Answer:

227 mmHg

Explanation:

Ptotal= PCO2 +PAr+PO2+PHe

PHe= Ptotal-PCO2 -PAr-PO2

PHe= (770 mmHg)-(128 mmHg)-(232 mmHg)-(183 mmHg)

PHe=227 mmHg

4 0

4 years ago

Between a water molecule and an anion, like Cl-, a _____A_____ occurs between a _____B_____ of the water molecule and the anion.

AVprozaik [17]

Between a water molecule and an anion, like Cl-, a hydrogen bon occurs between hydrogen atom of the water molecule and the anion.

<h3>What is hydrogen bond?</h3>

Hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other. Hydrogen atom in water molecule attract anion due to presence of hydrogen bond.

So we can conclude that hydrogen bond occurs between hydrogen atom of the water molecule and the anion.

Learn more about bond here: brainly.com/question/819068

4 0

3 years ago

How many protons electrons and neutrons respectively does 29 CS have

irakobra [83]

$55 \; \text{e}^{-}$ , $55 \; \text{p}^{+}$ , and $74 \; \text{n}^{0}$ - in case cesium-129 is what you were referring to.

Cesium has atomic number $55$ as seen on a modern periodic table. A cesium atom nucleus would thus contain an equal number of protons; in addition to that, a <em>neutral</em> atom of cesium would contain the same number of electrons in its electron cloud.

For a particular isotope,

$\text{Mass number} = \text{Number of protons per nuclei} + \text{Number of Neutrons per nuclei}$ .

This isotope of cesium has a mass number of $129$ and contains $55$ protons in each atomic nucleus. One cesium nuclei would therefore contain $129 - 55 = 74$ neutrons.