H PHYS Monday Quizizz Lessons 4 & 5

How many organs are in the Integumentary System?

Identify all functions of the integumentary system.

• Barrier from external environment

• Protection from foreign agents and disease

• Retention of bodily fluids

• Temperature maintenance

• Elimination of waste

How does a stem cell become a specialized cell for the Integumentary System?

When a baby is born, its skin is covered in ______________, a white cheese-like substance produced by glands that protect the skin during fetal development.

__________________ produces simple columnar epithelium, keratinocytes, which constantly pushes up to the surface. As the columnar cells push up, they are squashed by the cells above them into cuboidal and eventually squamous resulting in a layer of stratified squamous epithelium near the top surface of the epidermis.

Toughened and flattened cells of ________________, corneocytes, eventually break down and slough off.

As we increase in age, which of the following decrease?

• Cell Replacement

• Hair Thinning & Loss

• Gland Production

• Collagen Fibers

• Sex Hormones

As a child, our hair is known as ___________ which is pale and fine.

Puberty initiates the change from vellus to ___________ in response to androgens (male hormones).

Identify the phases of the Hair Growth Cycle.

• Anagen

• Catagen

• Telogen

• Resting

• Base