Integumentary and Skeletal System

What is the largest organ in the body?

• Liver

• Brain

• Femur

• Skin

What layer is represented by letter B?

• Stratum Corneum

• Dermis

• Stratum Lucidum

• Epidermis

The arrector pili muscle....

• is associated with sweat glands

• causes hair to stand up

• enables each hair to be stretched when wet

Which layer contains a yellow tissue called adipose?

• Epidermis

• Dermis

• Hypodermis

Which protein makes skin darker and UV resistant?

• Keratin

• Collagen

• Melanin

Which protein gives hardness to your hair, nails and epidermal cells?

• keratin

• collagen

• melanin

What is the main function of the skin?

• Synthesizes vitamin D

• Maintains balance of fluids

• Protects against infection

• All of the above

Which layer of skin is considered avascular?

• Epidermis

• Dermis

• Hypodermis

• Matrix

Which of the following is NOT one of the major functions of skeletal system?

• body movement

• blood cell formation

• support and protection

• storage of inorganic material

• nerve cell formation

Normally, there are about ______ bones in the adult human body.

• 206

• 200

• 406

• 270