Skeletal System
Name the types of bones we have.
Long, short, flat, irregular, sesamoid!
How many litres of blood do we have AND howlong does it take to travel around the body?
5L and 1 minute
The 3 nutrients needed post-performance are......
The nutrients needed are: water, carbohydrates and protein.
What are slow and fast muscle twitch fibres best suited for?
Slow: Best suited for endurance sports
Fast: Best suited for short bursts of activity (sprints)
Can you name one of the words that the F.I.T.T principle stands for?
Frequency, Intensity, Time, and Type of exercise
True of False: Babies are born with more bones
True! Babies are born with over 300 bones, many fusing as they grow.
Name the three different blood vessels in the body.
Arteries, Veins, and Capillaries
Fill in the blank: Athletes should aim for about ____L of water for every hour of activity spread out when suits.
Athletes should aim for about 1L of water for every hour of activity spread out when suits.
Do arteries carry blood to or from the heart?
Arteries are elastic tubes which carry blood away from the heart.
What is the body's largest organ?
Skin!
Name one function of the skeleton.
The four main functions of the skeleton are support (providing structure), protection (shielding vital organs like the brain and heart), movement (acting as levers for muscles), and blood cell formation (producing red/white blood cells and platelets in bone marrow).
Are platelets bigger than red blood cells?
No, platelets are only a quarter of the size of red blood cells
Name one energy system in the body (we looked at these last theory lesson).
ATP/PC, Lactic Acid, Aeorbic
What is the C-word phase for muscles shortening while they are exerting force?
Concentric!
What is a normal blood pressure range?
The “normal” blood pressure range is 120/80.
120 is the systolic pressure (contraction) and the 80 is the diastolic pressure (relaxing & filling)
What is the longest bone in the body?
Femur
Is blood made up of more plasma, or more solid particles (blood cells and platelets)?
Blood is 55% fluid (plasma) and 45% solid particles (red blood cells, white blood cells, and platelets)
Fill in the blank: The aerobic system is for _____ intensity activities like ___________.
The aerobic system is for low-intensity, long-duration activities like marathon running.
What's the main breathing muscle?
Diaphragm
At what age can babies see colour?
Newborns only see black and white, babies have the ability to see full colour by 5 months.
What connects bones to other bones?
Ligaments
Fill in the blank: If humans lose approximately ______ % or more of their blood volume, they can die.
If humans lose approximately 20% or more of their blood volume, they can die
Fill in the blanks: the lactic acid system is for _________ intensity efforts lasting about ________ to ___________.
The lactic acid system is for high-intensity efforts lasting about 30 seconds to 3 minutes.
What do capillaries do?
They connect arteries and veins, and work their way through joints, bones, muscles and organs, dropping off oxygen and nutrients, and picking up waste and carbon dioxide.
Name the only part of the human body that cannot repair itself.
Teeth are the only part of the human body that cannot repair themselves.