Question

2. Understand the analogy and fill in the blanks
a. Brain:
Lungs: Ribcage
b. Arms: Voluntary muscles :: Stomach:
C. Skull: Immovable joint :: Knee:
d. Wrist:
:: Hip: Ball and Socket joint
sinal Cono
e, Skull: 22 Bones :: back bone : 33 Bones
Answer in one word.​

Answer 1

Answer:

Explanation:

At a synovial joint, the articulating surfaces of the bones are not directly connected, but instead come into contact with each other within a joint cavity that is filled with a lubricating fluid. Synovial joints allow for free movement between the bones and are the most common joints of the body.

When you straighten your leg, the quadricep muscles pull on the quadricep tendon, this pulls the kneecap to make the knee extend. When you bend it, the hamstring muscles contract and pull the tibia backwards, causing the knee to flex.