Exocrine vs Endocrine Glands Quiz

Study Notes

Exocrine Glands

Secrete products through ducts to body cavities, organ lumens, or the body's outer surface.
Types include sudoriferous (sweat), sebaceous (oil), mucous, and digestive glands.

Endocrine Glands

Ductless glands that release hormones directly into interstitial fluid, which then enters the bloodstream.
Highly vascularized, relying on the cardiovascular system for hormone distribution.

Key Endocrine Glands in Humans

Major endocrine glands include the pituitary, thyroid, parathyroid, adrenal, and pineal glands.

Additional Hormone-Secreting Organs

Organs with hormone-secreting cells, but not exclusively endocrine include hypothalamus, thymus, pancreas, ovaries, testes, kidneys, stomach, liver, small intestine, skin, heart, adipose tissue, and placenta.

Fundamental Differences

Endocrine glands have secretions that diffuse into interstitial fluid and blood. Exocrine secretions flow through ducts to target locations.

Functions of Hormones

Regulate chemical composition and volume of internal environment.
Influence metabolism, energy balance, and contraction of smooth/cardiac muscle.
Control glandular secretions and certain immune system functions.
Essential for growth, development, reproductive system operation, and establishing circadian rhythms.

Description

This quiz distinguishes between exocrine and endocrine glands, exploring their functions and characteristics. Learn about the differences in how these glands secrete their products and their roles in the body. Ideal for students studying human anatomy and physiology.