yr 10 half yearly Flashcards
roles and functions of skeletal system
support structure for the body. Gives the body its shape, provides movement and plays a role in the protections of organs
describe the agonist and the antagonist
agonist - the muscle contracting during the concentric part of a movement, muscle shortening
antagonist - the muscle relaxed during the movement
roles and function of circulatory system
the circulatory system delivers oxygen and nutrients to cells and take away wastes. the heart pumps oxygenated and deoxygenated blood on different sides.
role of arteries
carries blood away from the heart
veins
returns blood to the heart
capillaries
form the connection between the arteries and the viens
roles and functions of the muscular system
skeletal muscle - the specialised tissue that is attached to the bones and allows movement
smooth muscle - located in various internal structures inclusive the digestive tract, uterus and blood vessels such as arteries
describe the synovial membrane
this makes synovial fluid which lubricates joints
describe the synovial fluid
thick liquid that lubricates the joints
describe ligaments
connective tissue that connects bones to bones
describe tendons
connective tissue that connects bones to muscles
what is cartilage
cartilage is a connective tissue found in many areas of the body including : joints between bones e.g. the elbows, knees and ankles
types of synovial joints
ball and socket
hinge
saddle
describe synovial joint
synovial joint is the type of joint found between bones that move against each other, such as the joints of the limbs (e.g. shoulder, hip, elbow , knee)
what is the fuel for lactic acid
carbohydrates
