Organ Function: Quiz

Front 1

The duodenum, jejunum and ileum are parts of which organ?

Back 1

Small intestine:

The small intestine contains the duodenum, jejunum and ileum. The primary functions of the small intestine are to digest food and absorb nutrients.

Front 2

Which human organ system includes ganglia and neurons?

Back 2

Nervous:

The nervous system includes ganglia and neurons and responds to internal as well as external stimuli.

Front 3

Which organ filters blood as it circulates through the human body?

Back 3

Liver:

In addition to filtering blood, the liver produces cholesterol and important proteins like albumin.

Front 4

Which human organ is responsible for extracting moisture from and then excreting residual food particles?

Back 4

Large intestine:

The large intestine begins at the cecum and ends at the rectum. The large intestine extracts moisture from food particles and excretes the unusable waste.

Front 5

The organ that breaks down old or damaged red blood cells is called?

Back 5

Spleen:

The spleen filters out old and damaged red blood cells. The spleen can recycle useful components, such as iron, when the red cells are broken down.

Front 6

How many layers does the integumentary system have?

Back 6

Three:

The integumentary system, commonly known as skin, is made up of three main layers: the epidermis, dermis and the hypodermis.

Front 7

Which human organ is responsible for production of eggs?

Back 7

Ovary:

Ovaries are a pair of small organs in the female pelvic cavity that produce eggs. Each ovary is roughly the size and shape of an almond.

Front 8

How many chambers does the human heart use to pump blood?

Back 8

Four:

The human heart uses four chambers to circulate blood through the body: the left atrium, right atrium, left ventricle and right ventricle.

Front 9

Which organ is approximately 73 percent water and weighs about three pounds?

Back 9

Brain:

The human brain weighs an average of three pounds and is approximately 73 percent water. Brain attention, memory and other cognitive skills are affected by as little as a 2 percent drop in hydration.

Front 10

TRUE OR FALSE: Humans can live without a spleen.

Back 10

True:

While the spleen does function to filter blood and manage the immune system, humans can live without it. Other organs, such as the liver and lymph nodes, take over the functions of a spleen when it is removed.