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
S_A_V [24]
3 years ago
12

Do atria and ventricles contract at the same time.

Biology
1 answer:
PSYCHO15rus [73]3 years ago
3 0

Answer:

No

Explanation:

Since the heart is a muscle that is pumping (literally requesting blood) through the body atria and ventricles altérnate pumping.

You might be interested in
* The uterus lining<br>the fertilised ovum.​
wlad13 [49]

Answer:

umm

Explanation:

what do you mean please

7 0
3 years ago
Sinusitis, an inflammation of the paranasal sinuses, is brought on by a viral, bacterial, or fungal infection. the most commonly
kaheart [24]
The inferior most, or the lowest, sinus cavity is called the maxillary sinus. It is also the largest sinus cavity and it drains into the middle of the nose. The maxillary sinus is located above the upper jaw and is easily visible on x-rays above the premolar and the molar teeth. 
The symptoms of sinusitis include headaches near the sinus and discharge of foul-smelling mucus.
6 0
2 years ago
Study island 7th grade
erik [133]
Letter D would be likely it
5 0
3 years ago
Read 2 more answers
According to many scientists, which of these probably caused a major change in the composition of Earth's atmosphere? F the weat
notka56 [123]

Answer:

J the appearance of photosynthetic organisms​

7 0
2 years ago
Describe the physics of another trick.
katrin2010 [14]

Answer:

Explanation:

ummm what type in a trcik?

8 0
2 years ago
Other questions:
  • Why would over-inflating the cuff of the sphygmomanometer be a problem for the patient?
    14·1 answer
  • Through which of the following processes is carbon removed from the atmosphere? decomposition of organic waste, burning of fossi
    10·2 answers
  • A doctor might treat a patient with cancer by giving the patient ____________________, which are drugs that can kill cells that
    9·1 answer
  • you find a plant unfamiliar to you and observe that it has vascular bundles scattered throughout the stem cross section. what do
    6·1 answer
  • Which of the following does not describe a protein function?
    14·1 answer
  • A change in which factor will affect the rate of reaction only when gases are involved?
    6·2 answers
  • I need someone to help me with my homework in biology.
    6·1 answer
  • Give a basic definition of evolution as taught in this Unit 2. Answer should be at least 3 sentences long and include at least 4
    14·2 answers
  • To ensure contamination from utensils and preparation equipment is eliminated
    12·1 answer
  • What are some sources of error found in osmosis experiment​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!