Register
When a muscle contracts, what two things are changing within the cells to cause the movement of the muscle? A. color and size B. shape and length C. energy and fatigue
149k views
0 votes
When a muscle contracts, what two

things are changing within the cells to
cause the movement of the muscle?
A. color and size
B. shape and length
C. energy and fatigue

User Minal Shah
by
4.0k points

2 Answers

4 votes
B shape and length. The actin and myosin filaments in the muscle are changing their shape and length when they contract or relax. This is what makes certain chemicals to be released for the action of movement.
User Serge Nikitin
by
3.9k points
3 votes
The answer is B: shape & size
User Paul Hodgson
by
4.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.5m questions

5.9m answers

Other Questions

Why is it important for a researcher to know all safety procedures and we're all safety equipment is stored
What is a lifestyle? A. the clothes and posessions that you purchase B. one or more options that require a decision C. people and places that surround you every day D. habits and standards that shape how
What can we do to reduce the human impact on climate change?
With a PPO, the beneficiary has the ability to
Describe the journey of the sperm from the time it’s made to when it leaves the body: Vas Deferens, Testes, Seminal Vesicles, Epididymus, Prostate Gland, Urethra
Link Copied!