Exam (elaborations)
CHAPTER- 20 LOCOMOTION AND MOVEMENT
- Course
- Institution
CHAPTER- 20 LOCOMOTION AND MOVEMENT
[Show more]
Content preview
CBSE Quick Revision Notes (Class-11 Biology)CHAPTER- 20 LOCOMOTION AND MOVEMENT
Locomotion is the voluntary movement
of an individual from one place to
another. Walking, running, climbing,
swimming are the example of
locomotory motion. All locomotion are
movement but all movements are not
locomotion.
• Macrophages and leucocytes in blood exhibit amoeboid movements. Coordinated movement
in cilia in trachea to remove dusts particles and passage of ova through fallopian tube is
example of Cilliary movements.
• Movement of limbs, jaw, tongue and needs muscular movement. Contractile property of
muscles is used in movement in higher organism including human beings.
Muscles are specialized tissues of mesodermal origin. They have property like excitability,
contractility, extensibility and elasticity.
Muscle
Skeletal Muslces Visceral Muscles Cardiac Muscles
Skeletal Muscles Visceral Muscles Cardiac
Associated with skeletal Form inner wall of internal Muscles of heart, having
system, alternate light visceral organs, non- branching pattern,
and dark bands striated, involuntary alternate light and dark
(striated), voluntary and muscle, assists in bands, involuntary in
locomotory and change movement of food action.
in body posture function. through digestive tract
and gametes.
Skeletal Muscles is made up of muscles
bundles (fascicles), held together by
collagenous connective tissue called fascia.
Each muscle bundle contains a number of
muscle fibres. Each muscle fibres is lined by
plasma membrane sarcolemma inclosing
sarcoplasm. Partially arranged myofibrils are
present in muscles bundle having alternate
Portal for CBSE Notes, Test Papers, Sample Papers, Tips and Tricks
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lennyjast. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67474 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now