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
lana66690 [7]
1 year ago
9

What experiment did bell perform to show that the nerves of the body contain a mixture of sensory and motor fibers?

Biology
1 answer:
irinina [24]1 year ago
6 0

Bell performed experiments to show that nerves of the body contain a mixture of sensory and motor fibers.

In his experiment he tested if the two spinal roots that originally originated from spinal nerve carry signals in opposite direction to each other just prior to their joining at the spinal cord. The dorsal roots generally joined the spinal cord from the back while the ventral roots joined the spinal cord from the front.

He experimented on animals by cutting the ventral roots and noticed muscular paralysis, later with more observation came to the conclusion that the ventral roots carry signals back to the muscles and are motor in nature. While the dorsal roots are sensory in nature thus the nerves in the body are a mixture of sensory and motor nerves.

To know more about sensory and motor fibers refer to the link below

brainly.com/question/8945775

#SPJ4

You might be interested in
What is the difference between directional selection and disruptive selection
morpeh [17]
Directional selection is where one phenotype is favored, so an example would be "a population of madagascar hissing cockroaches suffers heavy predation from lizards. Because their heads are small, the lizards are unable to eat the very largest adult cockroaches, and instead prey upon small and medium sized adults, so as a result the large cockroaches are favored and live". 
Meanwhile, disruptive selection is where both extreme phenotypes are favored, an example would be "a population of rabbits can have black fur, white fur or grey fur. This population of rabbits lives in an area of white rocks. When a local volcano erupts, black volcanic rock now dots the landscape amongst the white rocks. Now the black and white rabbits live longer because the black and white spots on the landscape camoflauge them. The two extreme phenotypes are being favored."
8 0
3 years ago
A scientist measures the circumference of acorns in a population of oak trees and discovers that the most common circumference i
Vinil7 [7]

Disruptive selection or diversifying selection describes the changes in population genetics where extreme values for a trait are favored over intermediate values.

So according to this definition, the conclusion can be derived as :

The most common circumference(s) to be after 10 generations of diversifying selection will be greater than 2 cm and less than 2 cm.

8 0
3 years ago
The energy an organism requires to transport materials and eliminate wastes is obtained directly from
nirvana33 [79]

Answer:

ATP

Explanation:

ATP is regarded as 'root of energetics' for living organisms. So, the organisms utilizes ATP to transport material and eliminate wastes from the body. Not only these functions are carried out by ATP but also several others infact all energy requiring processes are carried out ATP. e.g. muscle movements, neurotransmission, heart beats and various chemical reactions in the body all are carried out with the help of ATP.

In animals ATP is produced from the breakdown of glucose in the cellular respiration, glucose is obtained from the diet we take in. In plants ATP is generated from the process of photosynthesis. The source of energy within ATP is phosphate bonds, the breakdown of one phosphate bond while conversion of ATP into ADP produces or releases 30.6 KJ/mole of energy.

6 0
3 years ago
Hyperscience is...
marusya05 [52]

Answer:

2

Explanation:

3 0
3 years ago
Help I need this done thx.
shusha [124]
Flagelle - 4
Pseudopod - 2
Autotroph - 8
Prokaryote - 1
Heterotroph - 3

Hope this helps ;)
6 0
3 years ago
Other questions:
  • Without sufficient ________, the colon gets too little exercise and becomes weak.
    10·2 answers
  • Name two autotrophs that you see in the lion king and what type of organism are they
    14·1 answer
  • Where would you find the least dense water?
    6·2 answers
  • Melting glaciers in Alaska leave open land which will go through primary succession. What conditions would most likely be presen
    15·1 answer
  • Question 6 of 10
    8·1 answer
  • Explain transcription.
    12·1 answer
  • Please help me!! 15 points!
    15·1 answer
  • what do you think are some human characteristics that reflect a common ancestry between non human primates and ourselves?
    10·1 answer
  • For predation to occur, there must be a predator species and a prey species. Define predator and prey and give an example of eac
    12·1 answer
  • What is the powerhouse of the cell?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!