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
spin [16.1K]
3 years ago
11

Spontaneous depolarization of the nodal tissue in the sa node occurs at ____________ action potentials per minute:

Biology
1 answer:
USPshnik [31]3 years ago
8 0

<span>It is 70-80 action potentials per minute.  </span>The rate of phase 4 depolarization in the SA node sets the Heart rate, <span>The SA node serves as the Pacemaker</span> It has the greatest  automaticity And ability to  spontaneously generate an action potential.  

You might be interested in
PLEASE HELP ME ASAP. Classify the energy sources as either renewable or nonrenewable. A. energy obtained from coal B. energy obt
DiKsa [7]

The energy that can be renewed again and again is known as renewable source of energy. Example : water, sunlight, wind et cetera.

The energy cannot be created again,once destroyed is known as non renewable source of energy.

The energy obtained from coal is non-renewable.

Energy obtained from burning plant waste is renewable

Energy obtained from water spring inside the earth is renewable.

Energy obtained from natural gas is non renewable.

4 0
3 years ago
Read 2 more answers
Are viruses living or nonliving
Volgvan

Answer:

they are nonliving

7 0
3 years ago
Read 2 more answers
Discuss how the human immune system responds to an initial pathogenic exposure and how this initial exposure can lead to a quick
Serga [27]

Answer:

Immediately, the pathogen has been recognized:

Macrophages acts as the first line of defence by engulfing pathogens identified by antigens which will now present the antibody shape to a helper T cell.

The Helper T cells produce a signal to plasma and Memory B cells to yield antibodies that attach to the antigens. The cytotoxic cells that leads to cell death are activated by the helper T cells.

Antibodies helps to immobilize pathogen for macrophage to feed on.

if the pathogen comes back a 2nd time the memory cells helps in quick and efficient recovery by producing the specific B and T cells for the antigen.

6 0
3 years ago
A 45-year-old female client on the inpatient unit has just resumed eating a normal diet. the nurse checks a blood sugar with her
VMariaS [17]
Taking a measure of someones blood glucose level before they eat in the morning is a measure of fasting blood glucose. A normal measure of fasting blood glucose is 3.8 to 5.5 mmol. If the value were higher, say 5.8 mmol then the patient would be described as being pre-diabetic. Since the value is the highest in the range of being normal she should be monitored for pre- diabetes.  
3 0
3 years ago
Read 2 more answers
How do doctors confirm a disease.<br>please tell fast.​
ra1l [238]

Answer: They usually run tests too see. For example, that's why they made blood tests. They take you blood from you, and run tests to see if you have a disease.

Explanation: Hope it helps!

7 0
3 years ago
Other questions:
  • What are the main ideas of the cell theory?
    11·1 answer
  • PLEASE HELP ASAP!!!! CORRECT ANSWERS ONLY PLEASE!!!!
    15·2 answers
  • The structure identified in the image above is called the
    10·2 answers
  • Can someone help me?
    8·1 answer
  • 1. Look at Figure 2. Where can you find each of the three states <br> of water?
    8·1 answer
  • Describe the levels of organization of an organism that lives in your biome ?
    6·1 answer
  • Which of the following is an example of a ground in a building?
    7·1 answer
  • Compare and contrast the esophagus with the small intestine pls. How are they similar?
    13·1 answer
  • Explain why reintroducing wolves changed the ecosystem of the park? <br> WILL GIVE BRAINLIEST
    6·2 answers
  • Since 1953, when Tenzing Norgay and Edmund Hillary reached the summit of Mount Everest, many climbers have attempted to scale th
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!