The human integumentary system
Chapter 1
The skin as a living shield
View / Create
Answer
Chapter 2
The science of hair and nails
View / Create
Answer
Chapter 3
The skin as a living ecosystem
View / Create
Answer
YOUR GOAL
Master of The human integumentary system
Ch 3 · The skin as a living ecosystem
Fun Fact
Acid mantle: Your skin is naturally acidic, with a pH similar to coffee, which helps stop harmful bacteria from growing.
Glossary
microbiome (noun)
The community of microorganisms, such as bacteria, fungi, and viruses, that inhabit a particular environment. In 2007, researchers began mapping these diverse microbial communities living across different areas of human skin.
The community of microorganisms, such as bacteria, fungi, and viruses, that inhabit a particular environment. In 2007, researchers began mapping these diverse microbial communities living across different areas of human skin.
Quiz
What is the first stage of the skin's wound healing process, which stops active bleeding?
Quiz
What is the oily substance produced by glands to lubricate and waterproof human skin?
Quiz
Approximately how many sensory receptors are found in one square centimeter of human fingertips?
Quiz
Which gland is responsible for producing the sebum that forms the skin's protective lipid barrier?
Quiz
What is the normal, slightly acidic pH range of the skin's protective acid mantle?
Quiz
Why do healed skin scars look different and feel less functional than original skin?
Quiz
Approximately how many microbes live on a single square centimeter of healthy adult skin?