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castortr0y [4]
3 years ago
10

What are villi and what makes them suited for their function?

Biology
2 answers:
ddd [48]3 years ago
7 0

Answer:

Villi are finger-like projections.They increase the surface area of inner walls and helps alot in absorption of digested food.

Explanation:

seropon [69]3 years ago
7 0
I was never a math macaroon
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Please please help me please
mojhsa [17]
It’s not B or C. I want to say A but I’m not 100% sure
3 0
3 years ago
In active cells, pO_2 may be 10 torr at the cell surface and 1 torr at the mitochondria (the organelles where oxidative metaboli
Lelechka [254]

Answer:

A) myoglobin binds the oxygen by means of iron

B)myoglobin would be an effective O_2-transport in other tissues

Explanation:

8 0
3 years ago
Read 2 more answers
What word is used to describe the reaction that uses water to break apart a large molecule?
Maru [420]
The answer is hydrolysis.

The word hydrolysis comes from two Greek words:
hydro - water
lysis - to unbind

So, hydrolysis is a reaction of breaking apart (unbinding) large molecules using water. For example, sucrose or table sugar is disaccharide made of two monosaccharides: fructose and glucose. Hydrolysis of sucrose means that water molecule  break apart sucrose, i.e. unbind fructose and glucose.
7 0
3 years ago
What part of the respiratory tract is considered the respiratory zone?
Lorico [155]

Answer:

D. Alveoli

Explanation:

Functionally, the respiratory system is separated into a conducting zone and respiratory zone:

Conducting zone consists of the nose, pharynx, larynx, trachea, bronchi, and bronchioles. These structures form a continuous passageway for air to move in and out of the lungs.

Respiratory zone is found deep inside the lungs and is made up of the respiratory bronchioles, alveolar ducts, and alveoli. These thin-walled structures allow inhaled oxygen (O2) to diffuse into the lung capillaries in exchange for carbon dioxide (CO2).

The respiratory zone begins where the terminal bronchioles join a respiratory bronchiole, the smallest type of bronchiole, which then leads to an alveolar duct, opening into a cluster of alveoli.

8 0
3 years ago
The development of herbicide resistance in populations of weeds over several generations is an example of___________.
bezimeni [28]

Answer: Evolution

Explanation:

Evolution can be defined as the  change in the characteristics of the species over a period of time which basically relies on the process of the natural selection.

The characters that allows the survival of the organism is favored and is known as the survival of fittest which is a natural selection.

This is known as evolution in which the herbicide resistant plant is favored more and has developed over a period of time.

8 0
3 years ago
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