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
sdas [7]
3 years ago
10

In the heart, an action potential originates in the __________.

Biology
1 answer:
jeka57 [31]3 years ago
3 0

Answer:

sinoatrial (SA) node

You might be interested in
Which statement is part of Dalton's atomic theory?
Lilit [14]

Answer:

<em>A. Atoms are composed of protons, neutrons, and electrons.</em>

Explanation:

<em>Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.</em>

#caretolearn

#please ❤️ and rate

thank you ❣️

8 0
3 years ago
Disadvantages and advantages of natural gas, and nuclear power.<br> giving brainliest.
k0ka [10]

Answer:the advantages of gas is that it helps the vehicles go to the place you want to go to and the disadvantage of gas is that it can start a fire

Explanation:

The advantage of nuclear power is that it helps things function and the disadvantages of nuclear power is that it can explode in the hotness

3 0
2 years ago
A snickers® candy bar contains 280 calories, of which the fat content accounts for 120 calories. what is the energy of the fat c
Andrei [34K]

5.0 x 10² KJ

From the question given above,

A snickers® candy bar contains 280 calories. Fat content = 120 calories

1 calorie = 4.184 j

120 calories = 120 x 4,184 = 502.08j = 5.0 x 10² KJ

The energy of the fat content is 5.0 x 10² KJ.






6 0
3 years ago
Read 2 more answers
List the nitrogenous waste that are excreted by the kidneys
Arturiano [62]
The nitrogen compounds through which excess nitrogenis eliminated from organisms are called nitrogenous wastes or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
4 0
4 years ago
Use the information provided in the Punnett Square below to predict the % of mice offspring with black fur and % with white fur.
ipn [44]
75% will have black fur (F) and 25% will have white fur (f)
7 0
3 years ago
Other questions:
  • The graphs below show the changes in the relative concentrations of two genes in the air surrounding a group of mice. which poro
    9·1 answer
  • When first used in medicine in the 1940s, penicillin was uniformly effective in killing the bacterium Staphylococcus aureus. Tod
    15·1 answer
  • The Human Genome Project was a scientific research endeavor that sought to identify and map the genes in the human genome. This
    10·1 answer
  • The filtration membrane consists of three layers: the __________________ glomerular endothelium, the _______________ membrane, a
    11·1 answer
  • The first line drug choice for a previously health adult patient diagnosed with community acquired pneumonia would be
    6·1 answer
  • What are the three parts of all seeds?
    11·2 answers
  • What are some of the challenges immigrants face in america
    12·2 answers
  • The graphs show the properties of an enzyme.
    14·1 answer
  • the nuclear envelope fragments, the centrosomes move apart from one another, and the chromosomes begin to move during which phas
    5·1 answer
  • Where do you find most of the water in the human body
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!