A skeletal muscle which decreases the angle between two bones and bends a joint is

______ acts as a shock absorber to cushion when tibia and femur come together.

Match the following and choose the correct option.

Zygomatic bones are found in

Secretion of osteoid by osteoblasts forms ______.

The number of 'floating ribs' in human body is

The supportive skeletal structures in the human external ears and in the nose tip are examples of ______.

Which one of the following items gives its correct total number?

Elbow joint is an example of

Statements about the mechanism of muscle contraction are given below:

I. Acetylcholine is released when the neural signal reaches the motor end plate.

II. Muscle contraction is initiated by a signal sent by CNS via a sensory neuron.

III. During muscle contraction isotropic band gets elongated.

IV. Repeated activation of the muscles can lead to lactic acid accumulation.

Identify the correct statements.