Understanding Health Flashcards
BIOLOGY; - Health and Fitness - BONES - MOVEMENT - Non-Communicable Diseases - Microbes - Body Defence - Damages
What is fitness?
Fitness is the ability to meet the demands of the environment.
What is health?
Health is a state of complete physical, mental, and social well-being not just the absence of a disease or illness.
What are the four factors of fitness? (FOUR Sā)
Suppleness (Flexibility)
Stamina
Strength
Speed
What is Suppleness?
The range of movement possible at a joint.
What is stamina?
Endurance, the ability to keep going.
What is strength?
Muscle Strength
What is speed?
Moving muscles quickly.
4 MARKER; Why is regular exercise important?
- Reduce risk of heart disease
- Strengthens bones
- Reduces stress levels
- Maintains and improves fitness
What is our skeleton for?
It gives the body SHAPE.
It allows the body to move.
It PROTECTS the major organs.
What size bone would you find bone marrow in?
Long bones, is where you would find bone marrow.
What does bone marrow do?
Bone marrow produces red blood cells.
How many red blood cells per second are produced by the bone marrow?
2.6 million
What minerals do skeletal bones store?
calcium, and phosphorus
What is the pairs that muscles work in, to move bones called?
ANTAGONISTIC PAIRS
How do antagonistic pairs work?
One muscle contracts, while the other one relaxes