wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Aerobic muscles also called as :-


A

Red fibres

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B

White fibres

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

Grey fibres

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A

Red fibres


The correct option is A.

Explanation of correct option:

  1. Red fibers muscle contains an oxygen-storing pigment called myoglobin which gives them a reddish color. Therefore, they are called red fibers.
  2. These muscles consist of plenty of mitochondria, which help utilize a large amount of oxygen stored in them for ATP production. Hence, also called aerobic muscles.
  3. Red fibers muscles are supplied with plenty of blood capillaries. They do not accumulate lactic acid.
  4. Example:- Extensor muscle in the human.

Explanation of incorrect options:

Option B

  1. White Fibres have a lesser amount of myoglobin and contain a low amount of mitochondria, hence they appear whitish.
  2. Fast swimming movements and escape reflexes require white muscles.
  3. They are grouped in a helical form rather than parallel to the body axis and lay deeper in the body than the Red Muscles.
  4. An example of a White Muscle is the eyeball Muscle.

Final Answer:- Aerobic muscles are also called Red Fibres.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Red and White Muscle
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon