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Flashcards in Test 1-T3 Deck (20)
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1
Q

Skeleton structure

A

Check the diagram

2
Q

Shape

A

If we did not have bones our body shape would be like jelly and squishy without form.

3
Q

Protection

A

Our bones protect soft tissues and your muscles, as well as vital organs.

4
Q

Movement

A

Our skeleton helps us move by working together with muscles and attach the bones and muscles.

5
Q

Storage

A

A skeleton stores minerals and calcium.

6
Q

Production

A

The skeleton produces bone marrow.

7
Q

Two parts

A

Axial- 80 bones

Appendicular- 126 bones

8
Q

How many bones in the human body?

A

The human body has 206 bones.

9
Q

What are bones made of?

A

Bones are made of:

-> bone marrow + calcium + phosphorus + sodium + collagen

10
Q

WhT are the 5 types of bones?

A
Long
Short
Irregular 
Flat
Sesamoid
11
Q

What do the axial and appendicular systems do?

A

Axial provides protection. Appendicular allows movement.

12
Q

Muscles structure

A

Refer to diagram

13
Q

There are more than…

A

650 muscles in the human body.

14
Q

Muscles are attached to the bones by…

A

Ligaments

15
Q

All muscles work by…

A

Contracting (pulling).

Muscles cannot push

16
Q

Muscles always work in…

A

Pairs

While one muscle is contracting the other is relaxing.

17
Q

When muscles contract they…

When muscles relax they…

A

Become shorter and fatter.

Become longer and thinner.

18
Q

When the forearm is raised…

When the forearm is lowered…

A

The biceps contract and the triceps relax.

The biceps relax and the triceps contract.

19
Q

What is a ligament?

A

Ligaments are bands of soft, flexible tissues that hold bones together.

20
Q

What are joints?

What protects your bones?

A

A joint is where two bones come together.
Cartilage
-> smooth slippery surface that cushions the impact of movement.
Synovial fluid.
-> allows bones to slide over freely.