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Anastasy [175]
3 years ago
13

What is the function of the respiratory system?

Biology
2 answers:
mariarad [96]3 years ago
6 0
The answer is C !! :)
rewona [7]3 years ago
4 0

Answer:

my guess is C- to breathe...but the respiratory system also gets rid of waste, but mainly to help a person breathe

Explanation:

hope this helps

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Paralysis is most often caused by damage in the nervous system, especially the spinal cord. The nervous system is what give signals to the different parts of our body so that if it is damaged signals and messages could not be transported. If the central nervous system is damaged, paralysis frequently affects the movement of a limb as a whole, not the individual muscles. 
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Select all that apply.
Troyanec [42]

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A sarcomere is...
Salsk061 [2.6K]

Answer:

C, basic contractile unit of muscle fiber.

Explanation:

If you read the definition of sarcomere, this is what it says: "<u>A sarcomere (Greek σάρξ sarx "flesh", μέρος meros "part") is the complicated unit of striated muscle tissue. It is the repeating unit between two Z lines. Skeletal muscles are composed of tubular muscle cells (myocytes called muscle fibers or myofibers) which are formed in a process known as myogenesis</u>."

hope this helps.

3 0
3 years ago
Which of the following best describes the main purpose of the combined processes of glycolysis and cellular respiration?1 breaki
max2010maxim [7]

Answer:

4. transforming the energy in glucose and related molecules in a chemical form that cells can use for work

Explanation:

Glycolysis breaks down glucose into two molecules of pyruvate which is transformed into acetyl CoA to enter the Kreb's cycle. Kreb's cycle breakdown the acetyl CoA into CO2 and H2O. The energy stored in the glucose molecule is released during glycolysis and Kreb's cycle. The released energy is stored in the form of NADH and FADH2 as well as in few molecules of ATP.

The NADH and FADH2 enter the final step of cellular respiration, the oxidative phosphorylation. Here, NADH and FADH2 are oxidized with the help of electron transport chain (ETC). During the transfer of electrons through ETC, the proton motive force is generated which then helps in ATP synthesis.

Hence, the three steps of cellular respiration (glycolysis + Kreb's cycle + oxidative phosphorylation) retrieve the energy from nutrients such as glucose and store it in the form of ATP. ATP is used by cells as an energy source for various other functions.  

8 0
3 years ago
PLEASE HELP ME ASAPPPPPPP
nevsk [136]

Answer:

hope i helped but i think its b or d

Explanation:

4 0
3 years ago
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