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
mylen [45]
3 years ago
7

What did Edward Jenner discover about the relationship between smallpox and cowpox?

Biology
1 answer:
iren [92.7K]3 years ago
8 0
In 1775 Jenner began to study the relationship between cowpox (a comparatively harmless disease) and the more dangerous and disfiguring smallpox. ... He hypothesized that exposure to cowpox rendered the body immune from smallpox. After nearly twenty years of experiments, he developed the first vaccine.
You might be interested in
Your patient has a history of gastric ulcers and gi bleeding. he is now​ tachycardic, hypotensive, and tachypnic. he admits to p
-BARSIC- [3]
The type of shock presented by a patient with a known history of gastric ulcers and gastrointestinal bleeding with recent history of passing a lot of blood is called hypovolemic shock. The patient is now on the later stages of shock as he is tachycardic and hypotensive (significant as mechanisms to maintain a normal blood pressure is failing at this point). 
7 0
3 years ago
Q 15.19: Cell bodies of preganglionic neurons of the parasympathetic division are located in which of the following cranial nerv
finlep [7]

Answer:

C. III, VII, IX, and X

Explanation:

The parasympathetic division of autonomous nervous system is also known as craniosacral division. The cell bodies of preganglionic neurons of  parasympathetic division are located in the lateral gray matter of sacral segments (S2-S4) of spinal cord and in the nuclei of four cranial nerves in the brain stem. These cranial nerves as namely: oculomotor nerve (III), facial nerve (VII), glossopharyngeal nerve (IX), vagus nerve (X).

6 0
3 years ago
Smooth and cardiac muscle are under involuntary control.<br> T or F
skelet666 [1.2K]

The answer is true and not false

3 0
3 years ago
Read 2 more answers
Which best describes a difference between prokaryotic cells and eukaryotic cells?
MatroZZZ [7]
Prokaryotic cells do not have membrane bound organelles and eukaryotic cells do have membrane bound organelles
4 0
3 years ago
Read 2 more answers
Definition: this is the process of organisms adapting to their environments over time.
Leokris [45]
Adaptation through natural selection
5 0
3 years ago
Read 2 more answers
Other questions:
  • Asian Carp effects on biotic factors
    7·1 answer
  • One of the many unique properties of water is that its solid form (ice) is less dense than its liquid form. Most substances beco
    13·2 answers
  • Which is a reactant in the Calvin cycle?
    8·2 answers
  • Screenshot below 20 points
    6·1 answer
  • drag the labels onto the flowchart to show the relationship between the production of photons by the sun (engelmann light source
    7·1 answer
  • ______ is a push or pull that one object exerts on another.
    11·2 answers
  • What factors should we consider when determining why the chicken "loses" to the fox? A chicken can fly and perch on higher place
    7·1 answer
  • How are the Venus fly trap and the pitcher plant classified in their ecosystems? (select all that apply.)
    9·2 answers
  • Which of the following is a long-term impact of an oil spill on the environment?
    11·1 answer
  • Consider one of the major causes of environmental degradation is not accounting for the cost of environmental
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!