Science skeletal and muscular quiz

What are the purposes of the skeletal system?

To provide support, allow movement, produce blood cells, store minerals, and protect our organs.

Fill in the blank: Adults have __________ bones and infants have around __________ bones.

206, 300

What connects bones together?

Ligaments.

What connects muscles to bones?

Tendons.

What type of tissue cushions joints?

Cartilage.

What type of joint allows slight gliding movements?

Gliding joints, such as those between the bones of the wrist and ankle.

What type of joint allows rotation?

Pivot joint, such as the joint between the first two vertebrae in the neck.

What type of joint allows movement like a door hinge?

Hinge joint, such as in the elbow and knee.

What type of joint allows movement in all directions?

Ball and socket joint, such as in the shoulder and hip.

How do the muscular and skeletal systems work together?

They work together to allow movement.

What is an example of a skeletal muscle?

Biceps.

What is an example of cardiac muscle?

Heart.

What is an example of smooth muscle?

Stomach.

How do muscles work?

They work by shortening and tightening.

What type of muscle tissue has the most mitochondria?

Cardiac muscle, because it is working constantly.

What is the difference between voluntary and involuntary muscle?

Voluntary muscles are under conscious control, such as biceps; involuntary muscles operate automatically, such as the heart muscle.

Fill in the blank: The tissue that cushions joints is called __________.

Cartilage.

Fill in the blank: The __________ connects muscles to bones.

Tendons.

Fill in the blank: The __________ connects bones together.

Ligaments.