What is the main function of the respiratory system?Select one:
a. Supply oxygen to cells for cellular respiration
b. Circulate blood through the blood vessels
c. Rid the blood of water and metabolic wastes
d. Decrease moisture stored in the blood and lungs

Answers

Answer 1

Answer:

The respiratory system's primary job is to provide cells with oxygen so they may respire. This procedure entails absorbing oxygen from the atmosphere, delivering it to the body's cells, and exhaling carbon dioxide as waste.

What is the requirement of the cells ?

The cells utilise the oxygen to produce ATP (adenosine triphosphate), which is a kind of energy. The cells then use this energy to perform a variety of tasks. The body's blood circulation is aided by the respiratory system.

It achieves this by assisting in the pumping of oxygen-rich blood to the rest of the body through the diaphragm. By doing this, it is possible to guarantee that the body's cells get enough oxygen. Finally, the respiratory system helps rid the metabolic wastes and a body of water.

Carbon dioxide, a waste product of cellular respiration, is exhaled to accomplish this. This enables the body to operate effectively by preserving thae right balance of water and metabolic wastes. In conclusion, the respiratory system's primary job is to provide cells with oxygen so they may respire.

Additionally, it aids in blood circulation throughout the body and removes water and metabolic wastes.

Learn more about metabolic wastes at:

brainly.com/question/1709649

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Answer 2

Answer:

Answer:

Supply oxygen to cells for cellular respiration.

Explanation:

took the test

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WORTH 25 POINTS ! Question 2 of 10
The model represents DNA replication.
DODH
Structure 1
RNA primer
Structure 2
Enzyme 1
Which statement best describes structure 1?
Enzyme 2
Original DNA
A. It is the lagging strand because it uses RNA primers.
B. It is the lagging strand because it is behind enzyme 1.
OC. It is the leading strand because it is being built continuously.
D. It is the leading strand because it is being built in the 3' to 5
direction.

Answers

Answer:

Explanation:

It is the lagging strand because it uses RNA primers.

How is RNA different from DNA

Answers

DNA and RNA have completely different purposes in us. DNA stores and transfers genetic information (Eye and hair colour, skin colour, etc..). RNA codes amino acids and makes proteins. DNA is double stranded while RNA is single stranded. DNA uses adenine, thymine, cytosine, and guanine; while RNA uses adenine, cytosine, uracil, and guanine.

DNA is double stranded and RNA is single stranded.

2. Proteins play a variety of roles within cells, but there are many steps that must be undertaken to make these proteins and deliver them to where they need to go.

Answers

This sentence is true. Proteins are the basic building blocks of our body as they are the core constituents of all the required higher-order structures in our body. For them to get synthesized, we need particular sequences of aminoacids chained together and this process goes on all the time.

Organelles must interact with each other to synthesize and transport proteins.

All living and nonliving things in an environment make up an

Answers

The living parts of an ecosystem, called biotic factors, are all the organisms that live in the area. The nonliving parts, called abiotic factors, are the nonliving things in the area. All the living things together in an ecosystem form a community.

living is biotic and nonliving is abiotic.

Nitrifying bacteria convert _____ to _____.