Science ~ Movement Flashcards
(40 cards)
What is a group of cells called
Tissue
What is tissue made of
Cells
What is a group of tissues called
An organ
What is an organ
Tissues working together to perform a specific function
What is a group of organs called
An organ system
What is an organ system
Organs working together to perform a specific function
What is a group of organ systems called
An organisms
What is an organism
Organ systems working together as a living thing
What is the human skeleton made of
206 Bones
What attaches to bones
Muscles
What do muscles and bones help us do
Move around
Bones are made of different types of ______
Tissue
What is the outer layer of bone made of
Hard tissue which makes the bones rigid
What is the middle layer of bone made out of
Spongy tissue which is quite strong
What is the centre of bone made of
A soft tissue called bone marrow
What are the 4 main functions of the skeleton
Protection, Support, production of blood cells, movement
What does bone marrow produce
Blood cells
How are muscles attached to bones
Tendons
What happens when a muscle contracts
It applies force to the bone, it’s attached to which makes the bone move 
What are muscles found in
Pairs
What are muscles round
Joints
What is a tendon
A tough band that does not stretch to allow movement 
What are antagonistic muscles
Pairs of muscles that work against each other
What happens when one muscle contracts ( shortens )
The other relaxes ( lengthens )
