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3 years ago

What other gas would most likely also have different amounts in inhaled and exhaled air?

Biology

2 answers:

Ivahew [28]3 years ago

8 0

The gas that would most likely have different amounts in inhaled and exhaled air is Hydrogen (H2) ::)

krek1111 [17]3 years ago

3 0

Answer:

The correct answer would be water vapors (H₂O).

The concentrations of three main gases change in inhaled and exhaled air. These gases are oxygen, carbon dioxide, and water vapors (H₂O).

The inhaled air contains a very small amount of water vapor, however, the exhaled air is saturated with water vapors.

Our body saturates the inhaled air with moisture as it helps in gaseous exchange at the alveolar site. Dry air can damage the alveolar membrane.

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3 years ago

This type of membrane transport moves substances against the concentration gradient from an area of low concentration to an area

sashaice [31]

Answer:- Active transport

Explanation:-

There are two types of membrane transports

1. Passive transport - this type of transport occurs without the input of any energy and the molecules move along the concentration gradients that is from high concetration to low concentration.

2. Active transport- this type of transport takes place to move the molecules against the concentration gradient that is from low concentration to high concentration.

The active transport is of two types:

1. Primary active transport- in this type of transport ATP is used as an energy source to move the substances against the concentration gradient.

2.Secondary active transport - in this type of transport the gradient formed by the active transport is utilized and it involves the movement of 2 substances at a time aross the membrane. That is the movement of one molecule is coupled to another.

The membrane proteins that are associated with active transport are called as carrier proteins. These proteins have a binding site for the molecules that they transport. Once they bind to the specific molecules, a conformation change is induced and this leads to the transport of the molecule across the membrane.

So, the active transport is basically responsible for utilizing the energy from ATP and carrier proteins to move the substances across the membrane against their concentration gradient i.e. from low concentration to high concentration.

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3 years ago

What three categories of energy expenditure make up the total energy expenditure? Define each briefly. For the average person, h

Ratling [72]

The categories of energy expenditure include the following:

Resting metabolic rate - This is the total number of calories burned when your body is completely at rest and accounts for 60-75 percent

Thermic effect of feeding - This happens during feeding in which the metabolic rate increases and heat is produced and accounts for 5-15 percent

The thermic effect of activity - the amount of energy burned during all physical activity and accounts for 15-30 percent.

<h3>What is Energy expenditure?</h3>

These are the processes which involves how energy is used or spent. The categories are mentioned above with their appropriate explanations.

Read more about Energy expenditure here brainly.com/question/24652118

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2 years ago