Science ~ Movement

Question 1

What is a group of cells called

Answer 1

Tissue

Question 2

What is tissue made of

Answer 2

Cells

Question 3

What is a group of tissues called

Answer 3

An organ

Question 4

What is an organ

Answer 4

Tissues working together to perform a specific function

Question 5

What is a group of organs called

Answer 5

An organ system

Question 6

What is an organ system

Answer 6

Organs working together to perform a specific function

Question 7

What is a group of organ systems called

Answer 7

An organisms

Question 8

What is an organism

Answer 8

Organ systems working together as a living thing

Question 9

What is the human skeleton made of

Answer 9

206 Bones

Question 10

What attaches to bones

Answer 10

Muscles

Question 11

What do muscles and bones help us do

Answer 11

Move around

Question 12

Bones are made of different types of ______

Answer 12

Tissue

Question 13

What is the outer layer of bone made of

Answer 13

Hard tissue which makes the bones rigid

Question 14

What is the middle layer of bone made out of

Answer 14

Spongy tissue which is quite strong

Question 15

What is the centre of bone made of

Answer 15

A soft tissue called bone marrow

Question 16

What are the 4 main functions of the skeleton

Answer 16

Protection, Support, production of blood cells, movement

Question 17

What does bone marrow produce

Answer 17

Blood cells

Question 18

How are muscles attached to bones

Answer 18

Tendons

Question 19

What happens when a muscle contracts

Answer 19

It applies force to the bone, it’s attached to which makes the bone move 

Question 20

What are muscles found in

Answer 20

Pairs

Question 21

What are muscles round

Answer 21

Joints

Question 22

What is a tendon

Answer 22

A tough band that does not stretch to allow movement 

Question 23

What are antagonistic muscles

Answer 23

Pairs of muscles that work against each other

Question 24

What happens when one muscle contracts ( shortens )

Answer 24

The other relaxes ( lengthens )

Question 25

What is the study of forces acting on the body?

Answer 25

Biomechanics 

Question 26

What is a pivot?

Answer 26

The point around which something rotates 

Question 27

What is a lever

Answer 27

A bar attached to a pivot

Question 28

What is a turning effect? 

Answer 28

When a force acts on something that has a pivot

Question 29

What is involved when a force act on the body? 

Answer 29

Pivot, levers and moments

Question 30

What is another word for turning effect?

Answer 30

Moment 

Question 31

How do you calculate moment?

Answer 31

Force times perpendicular distance 

Question 32

What is perpendicular distance? 

Answer 32

The distance at a right angle from the pivot to the line of force 

Question 33

What does the muscle have to do to keep the arm still when force is applied? 

Answer 33

It has to counteract that force and keep it equal 

Question 34

What is the force equation?

Answer 34

Moment divided by perpendicular distance

Question 35

What is a ball and socket?

Answer 35

A joint that allows movement in all directions

Question 36

What is a hinge?

Answer 36

A joint that allows movement, backwards and forwards

Question 37

What is a ligament?

Answer 37

Tissue that can stretch slightly to allow movement

Question 38

What is cartilage?

Answer 38

Tissue that is smooth to allow movement

Question 39

What is a fixed joint?

Answer 39

A joint that does not allow movement

Question 40

Why is cartilage and fluid needed in a joint?

Answer 40

Cartilage and fluid and needed a joint to prevent friction in the bones, rubbing together