Move it Move it
How many bones are in the human ADULT body?
206
What is the largest Sesamoid bone?
Patella
Name one special thing about muscle cells
They're the biggest cells in the human body, they have more than one nuclei, they slide across each other to shorten their length, they have a lot of mitochondria!
Name a kind of cell that tries to find and kill cancer cells
Natural killer cells, T cells
How many types of muscle are there? 100 extra points if you know the names
3: Skeletal, Smooth, Cardiac
What is the largest and strongest join in the human body?
Knee
What hormone increases muscle mass?
Testosterone
Why does shivering help keep you warm?
It generates heat by moving your muscles
What substance makes your bones strong?
Calcium phosphate
What part of bones grow?
Epiphysial Plate, Physis, also OK "growth plates" on the ends of bones
Slow twitch fibers are good for steady prolonged work like standing, fast twitch are good for rapid movements requiring lots of force like running fast
What is the difference between your upstairs brain and your downstairs brain?
Your upstairs brain thinks, your downstairs brain FEELS and reacts
What is the difference between a tendon and a ligament?
A tendon attaches a bone and muscle, a ligament attaches two bones
Name four functions of bones
Explain how actin and myosin work together to slide muscle filaments
What is the function of your epiglottis?
It covers your airway when you swallow so food doesnt go down into your lungs
Name the two ways the body can get vitamin D and what disease is caused by not getting enough vitamin D
Sunlight, foods (eggs, fatty fish, liver), Rickets
What kind of bone makes blood cells?
Spongy, or bone marrow
Whare the two components of muscle memory?
Muscle and Brain: Myonuclei (or muscle nuclei) stick around + your brain (cerebellum) remembers how to coordinate the movement
Why do we do CPR (chest compressions) when the heart stops?
Cardiac arrest, or no heartbeat, means no blood moves through your body to deliver oxygen. No oxygen means your tissues rapidly start to die. This is why the treatment is chest compressions to pump blood out of the heart, and giving breaths to get oxygen into the body.