In the model that you built of the respiratory system, what structures did the straws represent? (1 point)

• the diaphragm
о
the lungs
• the chest cavity and ribs
the trachea and bronchi

the trachea and bronchi

2 015

Your hand jerks up after touching a hot stovetop. Which two organ systems are most responsible for your reaction?
(1 point)
nervous and muscular
circulatory and muscular
O immune and muscular
O
nervous and respiratory

nervous and muscular

The diaphragm can be classified as part of which two organ systems? (1 point)

circulatory and respiratory
• muscular and respiratory
immune and skeletal
O muscular and nervous

muscular and respiratory

To which part of the nervous system do the cranial nerves belong? (1 point)

• the central nervous system
O spinal nerves
the peripheral nervous system
• the cerebrum

the peripheral nervous system

If the symbol " -" means "make up", which of the following answer choices correctly demonstrates the relationship between the given terms? (1 point)

O
Organ Systems
- Organs - , Tissues
Cells
Tissues - Organ Systems - + Cells -*
Organs
Organ Systems - Organs - Cells
Tissues
Cells _ + Tissues
- Organs - Organ
Systems

To determine which structures the straws represent in your model of the respiratory system, we need to analyze the functions and locations of the structures mentioned, as well as the purpose of utilizing straws in the model.

The diaphragm is a dome-shaped muscle located beneath the lungs, separating the chest cavity from the abdominal cavity. It plays a crucial role in the process of breathing by contracting and relaxing to control the volume of the chest cavity.

The lungs are the primary organs of the respiratory system responsible for the exchange of oxygen and carbon dioxide. They are located in the chest cavity, protected by the ribcage.

The chest cavity and ribs encompass the thoracic cavity, housing vital organs such as the heart and lungs. The ribs are bone structures that enclose and protect the chest cavity.

The trachea and bronchi are part of the airway system, responsible for conducting air to and from the lungs. The trachea connects the larynx to the bronchi, which further branch into smaller bronchioles.

Now, considering the purpose of using straws in the model, we can deduce that the straws most likely represent the trachea and bronchi. The straws would mimic the tubular shape and branching structure of the airway system, allowing for the flow of air in and out of the model.

In summary, in your model of the respiratory system, the straws most likely represent the trachea and bronchi.

Organ Systems - Organs - Tissues - Cells