Human Muscular System

IMPORTANT

Human Muscular System: Overview

This topic covers concepts such as Mechanism of Muscle Contraction, Muscle Fibre, Sarcomere, Myoglobin, Sarcosome, White Muscle, Properties of Muscles on Electrical Impulses, Red Muscle Fibres, Cori Cycle, Muscular System in Human, etc.

Important Questions on Human Muscular System

EASY
IMPORTANT

Write the difference between actin and myosin

EASY
IMPORTANT

Distinguish between red muscle fibres and white muscle fibres.

EASY
IMPORTANT

The organelle involved in the release of calcium ions when an action potential reaches the muscle cell is Golgi apparatus.

EASY
IMPORTANT

The initiation of muscle contraction does not require the involvement of neurotransmitters.

EASY
IMPORTANT

Which ions are released from the sarcoplasmic reticulum after being stimulated by the action potential travelled through the neuron?

HARD
IMPORTANT

How do muscles react to the electrical impulses?

EASY
IMPORTANT

In Cori cycle, lactic acid is produced in 

EASY
IMPORTANT

The Cori cycle takes place in 

MEDIUM
IMPORTANT

What is the Cori cycle.

EASY
IMPORTANT

In a motor unit, different types of muscle fibres are present.

EASY
IMPORTANT

A motor unit consists of a single motor neuron with multiple muscle fibres.

EASY
IMPORTANT

A motor unit contains 

EASY
IMPORTANT

Define the term motor unit.

EASY
IMPORTANT

The function of sarcosomes is the biosynthesis of lipids.

EASY
IMPORTANT

Sarcosomes are specialised endoplasmic reticulum of a striated muscle fibre.

EASY
IMPORTANT

Sarcosomes are large specialised 

MEDIUM
IMPORTANT

Define sarcosome. What are their functions?

MEDIUM
IMPORTANT

Which of the following substances are absent and present in smooth muscle cells?

EASY
IMPORTANT

When the muscle fibres get excited, the triad allows releasing of Ca2+ ions.

EASY
IMPORTANT

In muscle contraction, this ion is essential: