IGCSE /Grade 4
Science MCQ Based On Contraction of muscles
Our free online Science test quiz for Grade 4, IGCSE will assist you to improve your Science skills on every concept in a fun interactive way.
Happy students
Awesome classes
IGCSE Grade 4 Science Contraction of muscles
|
A Muscle Contraction Is Triggered When an Action Potential Travels Along the Nerves to the Muscles.
These ions activate the intraction of myosin and actin. These ions effects the translocation of calcium ions through the smooth muscle cell membrane.
Contractile proteins are the force generators of muscle contraction.
It helps to move certain body parts like head, eyelids etc.
Red muscle fibres are dark red which is due to the presence of red haemoprotein called myoglobin.
Its 206 in counting in an adult's body.
It is a vital organ. Hollow muscle pumps blood to all the different part of body.
The triceps, or triceps brachii, is a large muscle on the back of the upper limb of many vertebrates.
Each myosin is composed of multiple units of meromyosin.
Its a tough, high tensile strength band.
At JustTutors, we believe in the power of digital technology to help students get personalized learning and attention from India's best-in-class science, english and math tutors. We are focused on creating a top-class e-learning platform that brings together the best teachers, technology, media, content for creating a seamless and world-class experience for every student.