Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

(a) Name the three type of muscles found in mammals and give an example each
(b) State the difference between ball and socket and hinge joint.
(c) State the functions of synovial fluid
(d) State two advantages of having an exoskeleton

Answer Text:
a)- Skeletal: biceps and triceps
- Smooth/visceral: oviduct epididymis
- Cardiac muscle: heart
b)Ball and socket allow movements in all planes i.e #360^0# while hinge joint allows movement only on one plane i.e# 180^0#
c)- Supplies nourishment to the cartilage
- It is slippery fluid that lubricates the joints thereby reducing friction during movement.
- Acts as a shock absorber by cushioning and distributing pressure at a joint.
d)- Preventing drying out of organisms
- Provide surface for attachment of muscles