Chapter 5 Science

The type of tissue that supports and protects organs is

Connective Tissue

What is homeostasis?

maintenance of a stable internal environment

Which joint allows you to move your arm around freely in all directions?

Ball and socket joint

A disease of the skeletal system that causes bones to become weak or to break easily is called

Osteoporosis

Your body moves food through the digestive tract by using

Smooth Muscle

Which type of muscle allows the heart to pump blood?

Cardiac

A muscle that bends part of your body is called

A flexor

A muscle that straightens part of your body is called

A long muscle

Muscles are connected to bones by strands of tough connective tissue called

Ligaments

A kind of exercise that helps strengthen your heart and increase your endurance is

Aerobic Excersice

On which of the following body parts is the epidermis thicker?

Palms of the hands

In which of the following ways does hair help your body?

It protects skin from ultravoilet light

A nail grows from the living cells in the

Nail root

Which of the following does NOT help damaged skin heal?

The Lunula

The ovaries and testes are part of the organ system called the ____________________.

The endocrine system

Many joints in the skull are ____________________.

Fixed Joints

Skin contains sweat glands that help regulate ____________________.

Body Tempature

What are the four functions of the skeletal system?

Protection, storage, movement, and blood cell production.

What would happen if the ends of bones did not have cartilage?

If the ends of bones did not have cartilage, there would be nothing to cushion the area in a joint where bones meet. The bones in a joint would rub together, causing pain and the bones to wear down.

Describe two types of muscular system injuries.

A strain is an injury in which a muscle or tendon is overstretched or torn. Tendinitis happens when someone exercises too often, and a tendon becomes inflamed as a result.

List the sequence of steps that are carried out as skin heals a wound.

(1) A blood clot forms over the wound.
(2) Bacteria-fighting cells kill bacteria in the wound.
(3) Damaged cells are replaced through cell division.
(4) A scar remains where the wound used to be.