Bones
The scientific name for the skull
What is the cranium?
Where two bones meet
What is a joint?
Three types of muscle
Cardiac
Smoot
Skeletal
System involved in providing cells with oxygen
respiratory
Produces more energy
Aerobic
The common name for the collar bone
What is clavicle?
Four main roles of the skeleton
supports the body
protects the organs
allows movement
produces blood cells
Approximate number of muscles in the human body
Over 600
Respiration involving the use of oxygen
Aerobic respiration
Produces lactic acid in animals
Anaerobic
The bone that is connected to the thumb in the forearm.
What is the radius?
Joins muscle to bone
What is a tendon?
Biceps and triceps
Word equation for aerobic respiration
glucose + oxygen = carbon dioxide + water + energy
Glucose = ethanol and carbon dioxide
Anaerobic
The soft substance at the centre of the bone
What is bone marrow?
Three types of moveable joints
Ball and socket
Hinge
Pivot
When one muscle relaxes, the other contracts...these are called
Antagonistic pairs of muscles
Where aerobic respiration takes place in cells
Mitochondria
Another name for fermentation
Anaerobic
The most common hard mineral in bones.
What is calcium?
Ligaments and tendons are made of stretchy fibres called...
What is collagen?
Disease in which the density of bones drops below a healthy level and bones become fragile, making them prone to fractures
What is osteoporosis?
The fluid inside the mitochondrion is called the ...
Matrix
More enzymes are used up in this type of respiration
Aerobic