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
Rama09 [41]
3 years ago
8

During a cardiac cycle, how many of the four chambers contract at any one time?

Biology
1 answer:
emmasim [6.3K]3 years ago
7 0
During a cardiac cycle, TWO of the four chambers contract at any one time. Cardiac cycle refers to the events that occur with every heart beat. The heart is divided into four chamber which are the right and the left ventricles an the left and the right atrium.
You might be interested in
Distinguish between the characteristics of an unweathered rock and those of a highly weathered rock
Katarina [22]
I would think that an unweathered rock would be jagged while a weathered rock would be smooth because of water/wind or what ever weathered it.
3 0
3 years ago
Suppose your immune system needed help killing a bacterial infection. You took a prescribed antibiotic that killed off all the b
Galina-37 [17]

Answer:

don't eat afterwards

Explanation:

it don't really affect your digestive system but most of the time it will tell you don't eat after taking the pill

7 0
3 years ago
Oceanic crust is what?
Alla [95]

Oceanic crust is <em>denser than continental crust</em>. It is also younger than continental crust as continental is the older of the two crusts.

Oceanic crust is mostly made of igneous rocks (like basalt) , partially comprised of iron and magnesium.

<u><em>#SpreadTheLove<3</em></u>

6 0
3 years ago
Read 2 more answers
Annie has a compost pile that produces 12 pounds of compost a day from yard waste. Which function expresses the amount of compos
Sergeu [11.5K]
The total amount of compost that the  Annie gets is 12 each  day
so 
c  that is equal to 12 every d
hence
<span>c = 12d
so the in put is A
hope it helps</span>
8 0
3 years ago
Read 2 more answers
How much water are we pumping out of the ground using wells in the US alone?
blsea [12.9K]

Answer:

did you get the correct answer?

Explanation:

8 0
4 years ago
Read 2 more answers
Other questions:
  • It is important that classification principles be standardized in order for all scientists to follow the same set of rules. An e
    13·1 answer
  • Edema occurs when blood pressure exceeds the counteracting force of ______ in the bloodstream, so fluid remains in the spaces su
    9·2 answers
  • Contrast the electrons transport chain in photosynthesis with cellular respiration by identifying the source of the high energy
    11·2 answers
  • 2. Before Mendel's discoveries, which
    7·2 answers
  • ________ is a technique that involves putting a healthy copy of a gene into cells that have a defective copy of the same gene.
    9·1 answer
  • A plant absorbs 200 J/g of energy from the sun. A cow eats the plant and absorbs 20 J/g of energy. The cow is fed to a group of
    7·1 answer
  • Use the following terms to fill in the paragraph: body plans, bilateral symmetry, radial symmetry, very similar, very different,
    12·1 answer
  • 10. In cats, the allele B is for black fur and the
    14·2 answers
  • Choose all the answers that apply.
    10·2 answers
  • State why this accident would be expected to benefit the decomposers in the river below the sewage plant. [1]
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!