Why does tying the arm above the elbow make veins in the forearm more visible?

Answers

Answer 1

Answer:

The tying results in the more visible veins of upper arms due to blood flow restriction.

Veins are the part of circulatory system in the body, that functions to carry deoxygenated blood from different parts of the body to the heart.

The venipuncture has been the process of insertion of drugs or chemicals in a body through vein. The veins of the upper arm has been tied to make them more visible.

The upper arm veins are more visible as there has been blood flow restriction in the veins by tying that results in the bulging out of the vein.

For more information about veins, refer to the link:

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Cohesion of water molecules, giving water the ability to support forces pulling against the surface.A. Cohesion

B. Surface tension

C. Adhesion

D. Capillary action

Answers

C. Adhesion i think

What are the three states in which most matter occurs

Answers

solid, liquid, and gas.

Solids, liquids, gas'

Which describes how radiation moves?A:Radiation moves from a cooler object to a warmer object
B:Radiation moves from a warmer object to a cooler object
C:Radiation moves from a warm object to an object of the same temperature.
D:Radiation moves from a cool object to an object of the same temperature

Answers

Hey wademcelroy2005, thanks for submitting your question to Brainly!

The answer to your question is B:Radiation moves from a warmer object to a cooler object

Answer: B

Explanation:LATE IM LATE BUT ITS

Which of these substances is a compound Carbon
Chlorine
Uranium
Ammonia

Answers

Among the substances listed, ammonia (NH3) is a compound. The option D (ammonia) is the correct option.

Compound Substance

A compound substance refers to a type of substance that is composed of two or more different elements chemically combined in fixed proportions. In other words, it is a substance formed when atoms of different elements bond together to form molecules. The elements in a compound substance are chemically bonded, meaning they are held together by chemical forces such as covalent bonds, ionic bonds, or metallic bonds.

Compounds can have various physical forms, such as solids, liquids, or gases, depending on the specific elements and the nature of their chemical bonds. They can also exhibit a wide range of chemical and physical properties, such as melting point, boiling point, density, solubility, and reactivity.

Chemical formulas are used to represent compound substances, indicating the types and numbers of atoms present in a molecule of the compound. For example, the chemical formula for water is H2O, representing two hydrogen (H) atoms bonded to one oxygen (O) atom. Ammonia is composed of nitrogen (N) and hydrogen (H) atoms bonded together. Carbon (C), chlorine (Cl), and uranium (U) are elements rather than compounds.

Therefore, Ammonia which is option D is the correct option.

Learn more about chemical formula here

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Answer:

Ammonia

Explanation:

Ammonia is a inorganic compound that is made up of single nitrogen atom.

If a gas occupies 22.4 L at 0.265 atm, then what will the pressure be in atmospheres if the gas occupies 35.52 L? Assume all othervariables are held constant
A)0.167 atm
B)0.437 atm
C)0.886 atm
D)149 atm

Answers

Answer:

The new pressure is 0.167 atm

The correct answer is option A

Explanation:

Step 1: Data given

Volume of the gas = 22.4 L

Pressure of the gas = 0.265 atm

The volume increases to 35.52 L

Step 2: Calculate the new pressure

P1*V1 = P2*V2

⇒with P1 = the initial pressure = 0.265 atm

⇒with V1 = the initial volume = 22.4 L

⇒with P2 = the new pressure = TO BE DETERMINED

⇒with V2 = the increased volume = 35.52 L

0.265 atm * 22.4 L = P2 * 35.52 L

P2 = (0.265 atm * 22.4 L) / 35.52 L

P2 = 0.167 atm

The new pressure is 0.167 atm

The correct answer is option A

Explain how following a fitness plan can help you meet a goal

Answers

because if you follow a fitness plan you can get done a lot of stuff that you can't without a plan so like you make a plan of what you are going to do instead of just doing random fitness stuff

If u follow a fitness plan it helps becuase it helps u be healthy and loose weight and junck food has bad stuff for ur body

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