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
enot [183]
3 years ago
10

CPR, or cardiopulmonary resuscitation, is a first-aid technique to help save lives. It involves compressions of the patient’s ch

est cavity. Which description is the best description of the functions of chest compressions in CPR?
answer choices :
Chest compressions are done to pump the heart.
Chest compressions are done to strengthen the rib bones.
Chest compressions increase carbon dioxide inhalation.
Chest compressions allow the patient's muscles to wake up.
Biology
1 answer:
fgiga [73]3 years ago
8 0

Answer:

A

Explanation:

You might be interested in
Many plants have evolved mutualistic relationships with nitrogen-fixing bacteria because _____.
nikklg [1K]
The bacteria transform nitrogen into useful forms for the plants; the plants provide carbohydrates.
4 0
3 years ago
The sex of the child is determined by the male parent. Justify your statement.
nevsk [136]
Male has sex chromosomes: One X + one Y
Female has sex chromosomes: Two X

So, Female must contribute by one X chromosome, but male can contribute either by X or Y, if he sends, X chromosome, then Female (Girl) will form, but if he sends Y chromosome, then Male (Boy) will form

Hope this helps!
3 0
3 years ago
If the circulatory system failed what would happen to the heart rate?
Gelneren [198K]
The heart rate would decrease because there is less oxygen being supplied to the cells for cellular respiration, and also your muscles won't get the blood it needs. Blood also contains oxygen and glucose which cells need to convert food to energy and to survive, so if the cells don't get blood they will die which will eventually kill the organism
8 0
3 years ago
Read 2 more answers
Scientists use many resources to piece together the history of life on Earth. The fossil record is one source of information tha
astraxan [27]

Answer:

See explanation

Explanation:

Fossil records contain an extensive detail of the evolution of various species on earth which have been preserved in the remains of these organisms or imprints that organisms that existed long ago must have left  in sedimentary rocks.

Fossil records basically tell us about the past. They tell us about the species that once existed on earth. They also tell us how long these species existed and how the were related to other species.

This information help us to work out how these organisms lived and the environment where they lived.

4 0
3 years ago
Which type of gland produces hormones? which type of gland produces hormones? unicellular exocrine glands holocrine glands endoc
goblinko [34]
<span>Which type of gland produces hormones? which type of gland produces hormones? unicellular exocrine glands halocline glands endocrine glands multicellular exocrine glands? </span>
6 0
3 years ago
Other questions:
  • How are carbohydrates attached to one another?
    13·1 answer
  • How do aerobic bacteria differ from anaerobic bacteria?
    14·1 answer
  • How is a food web just a bunch of interconnected food chains?
    11·2 answers
  • A geothermal power plant can be used to generate electricity
    8·1 answer
  • Suppose you cross a pea plant with yellow, smooth seeds with one that has wrinkled, green seeds. You examine the seeds of 967 of
    13·1 answer
  • What is the end result of natural selection?
    5·2 answers
  • What is necessary for a cell to pass the g2 checkpoint?
    11·1 answer
  • In the photosynthesis chemical equation, does the radiant energy of the Sun act as a reactant or a product? Explain your answer
    12·1 answer
  • Match the description with the term
    5·1 answer
  • Besides, Organelles, Similar membranes and that they both have eukaryotic cells how are plant cells and animal cells alike?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!