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2 years ago

. 1. Why is digestion so important to organisms?

Biology

2 answers:

katen-ka-za [31]2 years ago

5 0

Answer:

Digestion is important for breaking down food so that it can be processed and used for nutrients your body requires for survival. Digestion is one of the most important bodily functions because it's the main contributor to the creation of energy which goes into everything you do on a molecular and physical level, ranging from walking to and from your fridge at 2 in the morning, to repairing your cells and growing new ones.

SpyIntel [72]2 years ago

3 0

Answer:

Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body. The body breaks down nutrients from food and drink into carbohydrates, protein, fats, and vitamins.

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Which statement about natural selection is true? (1 point)

Aliun [14]

Answer:

Explanation:

The whole point of natural selection is for animals to compete to survive in that specific environment

Hope this helps!

7 0

3 years ago

What would happen i we had no cilia in our trachea???

valentinak56 [21]

If we had no cilia in our trachea, our lungs would be filled with dust and microorganisms that we breathe in.

8 0

3 years ago

How do the cells of the body use oxygen to produce energy?

hammer [34]

In order to create energy from oxygen, the cells must undergo a process called cellular respiration which occurs in the mitochondria. The mitochondrion will use the oxygen, along with glucose, to create carbon dioxide, water, and energy.

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3 years ago

Which of the following is an example of a force that acts at a distance?

Levart [38]

Answer:

3. a leaf falling off of a tree to the ground.

Explanation:

Force is given by the multiplication of mass and acceleration.

Mathematically, Force is;

$F = ma$

Where;

F represents force measured in Newton.

m represents the mass of an object measured in kilograms.

a represents acceleration measured in meters per seconds square.

Force can be categorized into two (2) main types; forces that at a distance and forces the act by direct contact with the body.

A force that acts at a distance refers to the force exerted on a body or an object without any physical contact between them such as gravitational force, magnetic force and electric force. This simply means that, there can be a push or pull between objects even when they are not in physical contact with each other due to gravitational, magnetic or electric forces.

<em>Some example of a force that acts at a distance is a leaf falling off of a tree to the ground, a magnet pulling an object to itself, a magnet pushing or repelling another magnet etc. </em>

8 0

3 years ago

Which chemical buffer system resists ph changes in the extracellular fluid (ecf)?

Ann [662]

The answer is carbonic acid-bicarbonate buffer. This buffer system is regulated by the lungs and kidneys due to the regulation of CO2 and bicarbonate ions respectively. It is formed by the dissolving of carbon dioxide from the tissue into the blood plasma. A weak acid-base conjugate is a good buffer due to its partial dissociation in water.

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3 years ago