Science unit 3 LOCOMOTOR SYSTEM AND NERVOUS SYSTEM

The skeleton is a……………………….formed by………………………and…………………….

Joins are the…………………………………………………………………………………………………………………………….

Skeletons…………………………………………………………protect……………………………….and…………………………………………………………………………

BONES

Bones are the pieces of…………………………………………………..that……………………….the skeleton

Bones can be…………………….like the………………., …………………………like the…………..………….….or

……………………………….like the bones that form the…………………………and……………………………

JOINTS

Bones that are connected to other bones have………………………………and can be:

1.-………………………………………….for example……………………and the…………………………..that have

limited movement.

2.- …………………………………………..for example those the…………………………(llittle or no novement)

3.- ……………………………………………for example joins the……………………………….. or the………………

*The bones in these joins are connected by……………………of very strong…………………called………………………………………

*The joints are covered in a protective tissue called……………… and are lubricated by a liquid substance called the………………………………………

LOOK AFTER YOUR BODY

Eat………………….food, especially………………..wich give your bones the………………………..

Practice a lot of ……………and make sure that you ……………………..your……………..

Always wear the right………………………. …………………….for the sport you are playing

Wear a ………………………., ……………………………and knee………………..when you skate boarding or riding a …………………..

MUSCLES

Muscles are formed by………………….. ……………………which become …………………..(they contract)when they recibe a ........................signal but when the signal ceases, they return to original length( they………………). We need muscles to help us ………………….

TYPES OF MUSCLES

The muscles of the locomotor system are attached to the skeleton by a very tough……………………..called……………………….

Other muscles such as the………………………or the……………… ………………………are not attached to any …………………, when they contract, they cause these organs………. ………..

LOOK AFTER YOUR MUSCLES

*Have a ……………………….well balanced diet and …………………….every day. Eating………….,

……………………….., potatoes,………………….and bread. Will give the………………….you need to fuel your muscles.

*Because your muscles are made of…………., a healthy diet which has…………..products,

………………….. and………………….will help your muscles to get the……………they need to build up to be strong and healthy.

*……………………………..before exercising so that you do not strain a muscle.

THE NERVOUS SYSTEMThe nervous system ……………………….,……………………….and responds to nerve………………

It is divides into: 1.-…………………………………………………………

2.-……………………………………………………………..

THE CENTRAL NERVOUS SYSTEM

1.- The……………………. …………………… ……………….. It is made up of the……………………….and the ………………………..

*The encephalon is divided into 3 parts:

1.- The………………………makes decisions and ………………the………………….

2.- The………………………….controls voluntary movements like……………………..

3.- The ………………………controls automatic movement like…………………..and……….

It also links the………………………to the……………………..

The encephalon is protected by the ………………………and three membranes calledthe………………, between which a liquid called…………………….. ……………circulates.

This liquid protects the ………from the injuries.

2.- The……………….. ……………… ……….It estends from the…………………to the………….. part of the back. It transports information between the………………………., the……………… and the………………

Connected to it are the nerves of the…………………. ………… …………. .It is protected by the………………………………

THE PERIPHERAL NERVOUS SYSTEM

It is made up of………………which link the receptors to the …………. ………….. …………….and

Viceversa.

*Our nerves are classified into:

-The…………………….. …………………….carry signals from the receptors to the central nervous system, so the the information can be processed.

-The ………………….. ………………………..carry signals from the central nervous system to the……………………so that they can respond.

They work together like a communication network that communicates all of the body with the………………………..continuously transmitting ……………………………….

HEALTH AND THE NERVOUS SYSTEM

ILLNESSES OF THE NERVOUS SYSTEM

The most common illnesses are:

1.-Injuries can be caused by…………………………..(when something hits the body)or………….

These can result in the loss of……………..or the ability to………………..or……………..

2.-……………………………….. …………………………….can be cause by stress,social issues and problems in the environment.

3.-……………………….. ………………….. have many causes, such as infections and old age.(………………………….or………………………… ………………….).

Our brains, just like our bodies need……………………When we learn something new, more ………………….. connections are made.

………………………….. a language or a ………………..instrument is extremely good for our brains and can help …………………. Degenerative illnesses.

LOOKING AFTER THE NERVOUS SYSTEM

There are some things we can do to help prevent illnesses of the nervous system:

*******Avoid addictive…………………..such as ………………………… or ……………….

*******Protect your body against ……………………(wearing………………or………………..)