locomotion and movement

Movement that results in change of place or location is called _____

locomotion

All locomotions are _____ but all movements are not locomotions

movements

Streaming of protoplasm in Amoeba is a form of _____ movement

amoeboid

Human body exhibits three main types of movements – amoeboid, ciliary and _____

muscular

Amoeboid movement is effected by formation of _____

pseudopodia

Cytoskeletal elements involved in amoeboid movement include _____

microfilaments

Ciliary movement occurs in organs lined by _____ epithelium

ciliated

Coordinated beating of cilia in trachea helps in removal of _____

dust particles

Passage of ova in female reproductive tract is facilitated by _____ movement

ciliary

Muscle tissue is of _____ origin

mesodermal

About _____ percent of body weight of an adult human is contributed by muscles

40–50

Muscles show properties of excitability, contractility, extensibility and _____

elasticity

Striated muscles are also called _____ muscles

skeletal

Skeletal muscles are under _____ control

voluntary

Visceral muscles are also called _____ muscles

smooth

Smooth muscles are _____ in nature

involuntary

Cardiac muscles are _____ and involuntary

striated

Each muscle fibre is enclosed by plasma membrane called _____

sarcolemma

Sarcoplasmic reticulum stores _____ ions

calcium

Parallel filaments in sarcoplasm are called _____

myofibrils

Dark band of myofibril is called _____ band

A

Light band of myofibril is called _____ band

I

The functional unit of contraction is called _____

sarcomere

Sarcomere is the portion between two successive _____ lines

Z

Central part of thick filament not overlapped by thin filament is called _____

H zone

Thin filament is mainly composed of protein _____

actin

Thick filament is mainly composed of protein _____

myosin

Troponin in resting state masks the active binding sites for _____

myosin

Globular head of myosin has _____ activity

ATPase

The sliding filament theory explains muscle contraction by sliding of _____ over thick filaments

thin filaments

A motor neuron along with muscle fibres it innervates forms a _____

motor unit

Junction between motor neuron and muscle fibre is called _____

neuromuscular junction

Neurotransmitter released at neuromuscular junction is _____

acetylcholine

Release of calcium ions occurs from _____

sarcoplasmic reticulum

During contraction, the _____ band remains constant in length

A

During contraction, the _____ band shortens

I

Repeated stimulation of muscles leads to accumulation of _____

lactic acid

Red fibres contain high amount of pigment called _____

myoglobin

Red fibres are also called _____ muscles

aerobic

White fibres depend mainly on _____ metabolism

anaerobic

Human skeletal system consists of _____ bones

206

Axial skeleton comprises _____ bones

80

Skull consists of _____ bones in total

22

Number of cranial bones is _____

8

Number of facial bones is _____

14

Middle ear contains three bones collectively called _____

ear ossicles

First vertebra is called _____

atlas

Total number of vertebrae in adult human is _____

26

Number of cervical vertebrae is _____

7

There are _____ pairs of ribs

12