Digestive, Endocrine, Immune & Integumentary Systems

What helps the body create Vitamin D?

The sun

The skin is the ________ organ of the body.

* Largest
* Heaviest

Accessory structures of the skin include which of the following?

* Feathers
* Scales
* Sweat glands

Hair grows from the

Dermis

What is produced by the skin for protection against harmful ultraviolet light?

Melanin

Which of the following surrounds and destroys an invading microbe?

Phagocyte

Both B-cells and T-cells are derived from the

lymphocytes

T-cells develop in the

Thymus

Weakened or killed antigens purposefully introduced into the body by medical professionals is known as

Vaccine

General protection from invading microbes is known as which of the following?

General immunity

Chemical molecules which travel through blood to affect body systems are called

hormones

In males, hormones which stimulate formation of male characteristics are called

Androgens

Which element is administered to the general population through table salt?

Iodine

Which gland is most closely associated with the thyroid gland?

Parathyroid

Unlike exocrine glands, endocrine glands…

Are ductless

Before traveling to the rest of the body, all absorbed nutrients or toxins must pass through the

Liver

What animals are ruminants?

* Cattle
* Sheep
* Deer

Which of the following structures aids in absorption?

* Villi
* Papillae
* Microvilli

What aids in absorption

* Papillae
* Villi
* Microvilli

What makes up the small intestine?

* Duodenum
* Ileum
* Jejunum

What functions do the stomach preform?

* Mechanical processing
* Digestion
* Secretion

Which organ produces bile?

Liver

Which structure governs the passage of food material into the small intestine?

Pylorus and pyloric valve

Which stomach compartment of ruminants is considered to be the true "stomach?"

Abomasum

Bile is stored and concentrated in the

Gall bladder

What is a horse's organ of prehension?

Lips