What is the role of the Ureter ?

Deliver urine from the kidneys to the bladder

What is the role of the Urethra ?

Passageway for excretion of water & waste products, including nitrogenous wastes, from the body. Passageway for urine.

What is the role of the Kidney ?

Maintain the volume & contents of blood within homeostatic ranges

What is the role of the Pharynx ?

Common air/food passage to larynx and esophagus

What is the role of the Larynx ?

- Voice Box - Directs air to trachea - Prevents food from entering trachea

What is the role of the Esophagus ?

Move the food from the pharynx to the stomach

What is the role of the Epiglottis ?

Blocks airway (to the larynx) during swallowing

What is the role of the Trachea ?

Passageway for air in and out of the lungs

What is the role of the Bronchi ? (Bronchi = plural of Bronchus)

Passageways that carry air to and from your lungs

What is the role of the Pancreas ?

- Makes digestive enzymes - Produces insulin

What is the role of the Liver ?

- Filter Blood (Remove toxic Substances) - Produce Bile

What is Bile used for?

Bile is a digestive fluid that helps breakdown fats . It is made by the liver

What is the role of the Gall Bladder ?

Stores and concentrates bile , then releases it into the small intestine to help digest fats. Concentrate = Remove Water

What is the role of the Stomach ?

Temporary storage and partial chemical and mechanical digestion of food

What is the role of the Small Intestine ?

- Break down food - Absorb nutrients the body needs - Excrete unnecessary components

What is the role of the Large Intestine ?

- Absorbing water and electrolytes - Producing and absorbing vitamins - Forming and propelling feces

What is specific gravity ?

A measurement of how dense a substance is compared to water .

ADH is released by the hypothalamus in response to what stimulus ?

Low water concentration in urine

What does the specific gravity of urine suggest about the presence of ADH ?

The higher the specific gravity of urine is above 1.000, the higher the levels of the antidiuretic hormone (ADH) .

Record the volume in µl indicated on the settings

1) 2.0 µl 2) 12.5 µl 3) 20.0 µl

Record the volume in µl indicated on the settings

1) 50 µl 2) 125 µl 3) 200 µl

Record the volume in µl indicated on the settings

1) 200 µl 2) 750 µl 3) 1000 µl

What are the three main components of a homeostatic control system?

Receptor, control center, and effector

What is the role of the receptor in homeostasis?

It senses changes in the environment and sends information to the control center.

What is the role of the afferent pathway ?

It carries input from the receptor to the control center.

What is the role of the control center ?

It analyzes the input and determines the appropriate response.

What is the role of the efferent pathway ?

It carries the response instructions from the control center to the effector.

What is the role of the effector ?

It carries out the response to help restore balance.

What is a negative feedback mechanism ?

A response that reduces or shuts off the original stimulus.

Lab 1 Flashcards

Student preview

60 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What part is this?

Back

Nasal Cavity

2.

FLASHCARD QUESTION

Front

What part is this?

Back

Pharynx

3.

FLASHCARD QUESTION

Front

What part is this?

Back

Epiglottis

4.

FLASHCARD QUESTION

Front

WHat part is this?

Back

Larynx

5.

FLASHCARD QUESTION

Front

What part is this?

Back

Trachea

6.

FLASHCARD QUESTION

Front

What part is this?

Back

Esophagus

7.

FLASHCARD QUESTION

Front

What is this part?

Back

Liver

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