1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
krok68 [10]
3 years ago
14

What does the respiratory system do?

Biology
2 answers:
maria [59]3 years ago
7 0

 Brings oxygen into the body

VikaD [51]3 years ago
5 0
The respiratory system is the organ system that involves breathing. Humans breathe in oxygen. Another way to find the answer is to break down the word respiration. Respiration means "to breathe" or "the action of breathing". The answer is D.

You might be interested in
Here is A Riddle Good Luck!<br>What is a Thief of the Night That Roams The Forest looking for food​
olga nikolaevna [1]
An animal That is nocturnal?
6 0
4 years ago
1. How has the human population size changed<br> throughout history?
vodka [1.7K]
The go through technology and have to change with it vc if u keep it with the same u will never change
7 0
3 years ago
The sequence of DNA that is called a gene codes for a protein using DNA’s four letter code. Three bases will code for one of twe
Evgesh-ka [11]

Answer:

If a single base in the sequence is missing, this mutation could affect and disturb the whole frame-shift of protein synthesis

Explanation:

A single base missing or deletion will result in DNA mutation and will cause changes in the translated protein which will alter the function of the protein and sometimes the translated protein product is non functional.

8 0
4 years ago
3. It is a genetic code that gives us all of our physical
fredd [130]

Answer:

stored on one of the two strands of a DNA molecules as a linear, non-overlapping sequence of the nitrogenous bases Adenine (A), Guanine (G), Cytosine (C) and Thymine (T). These are the "alphabet" of letters that are used to write the "code words".

Explanation: so yes i hope you get it :3

7 0
3 years ago
22. In a study of heart rate in ocean-diving birds, researchers
patriot [66]

According to the type of samples that were taken from the experiment, it is inferred that the 60 selected samples represent a random sample because they were randomly selected.

<h3>What is a sample?</h3>

A sample is a term that refers to a subset of data selected from a total of data obtained in an investigation.

  • For example, when a researcher wants to study the population of a city, it is a difficult task to study all the people, so he may study a sample of people to draw a conclusion.

According to the above, if the researchers take a sample of 60 recordings of the heart rate of the diving birds, it can be considered a valid sample because it is random and will allow conclusions to be drawn regarding the experiment.

Learn more about sample in: brainly.com/question/350477

5 0
3 years ago
Other questions:
  • Which statement is true of Y chromosomes?
    11·1 answer
  • Sometimes a mutation is beneficial to an organism’s fitness and can be passed on to offspring. What is likely to happen to the m
    9·2 answers
  • The diagram below shows the flow of food energy between the organisms in a marine ecosystem.
    12·1 answer
  • Once chromosome have been copied during interphase, the cell is ready to begin what process
    9·1 answer
  • Nervous tissue can be found mainly in the ____________ , spinal cord, and in the limbs as ____________ .
    12·1 answer
  • What do you call two monosaccharides which are joined together
    13·1 answer
  • Why dodder and misletoe are consdered parasites?explain
    8·1 answer
  • CAN SOMEONE HELP ME ON 4
    5·2 answers
  • Hi this is worth branliest only if u get it right and PLEASEE don’t just answer for points.
    11·2 answers
  • beth recently became a vegetarian. The doctor suggested beth eat more peas and beans to ensure she gets all the nutrients she ne
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!