Understanding Body Systems and Functions

What is the primary function of the muscular system?

• To produce hormones

• To enable movement

• To protect the skin

• To store minerals

Which type of muscle is found in the heart?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Voluntary muscle

What is the main function of red marrow in bones?

• To store fat

• To produce blood cells

• To provide structural support

• To protect internal organs

Which bone is known as the collarbone?

• Femur

• Clavicle

• Tibia

• Scapula

What is the primary function of the skeletal system?

• To produce hormones

• To support and protect the body

• To digest food

• To circulate blood

Which type of burn affects only the outer layer of the skin?

• First-degree burn

• Second-degree burn

• Third-degree burn

• Fourth-degree burn

How long does it typically take for a bruise to heal?

• 1-2 days

• 3-5 days

• 1-2 weeks

• 3-4 weeks

What is the main difference between yellow marrow and red marrow?

• Yellow marrow stores fat, red marrow produces blood cells

• Yellow marrow produces blood cells, red marrow stores fat

• Yellow marrow is found in children, red marrow in adults

• Yellow marrow is found in adults, red marrow in children

Which of the following is a function of the integumentary system?

• To produce digestive enzymes

• To regulate body temperature

• To store calcium

• To produce red blood cells

Identify the type of muscle that is striated and voluntary.

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Involuntary muscle