A) In the model that you built of the respiratory system, what structures did the straws represent? (1 point)
the lungs
the diaphragm
the trachea and bronchi
the chest cavity and ribs
The straws in the model represent the trachea and bronchi.
A) Your hand jerks up after touching a hot stovetop. Which two organ systems are most responsible for your reaction? (1 point)
nervous and muscular
immune and muscular
nervous and respiratory
circulatory and muscular
The two organ systems that are most responsible for the reaction of your hand jerking up after touching a hot stovetop are the nervous system and the muscular system.
A) The diaphragm can be classified as part of which two organ systems? (1 point)
immune and skeletal
muscular and nervous
circulatory and respiratory
muscular and respiratory
The diaphragm can be classified as part of the muscular and respiratory systems.
A) To which part of the nervous system do the cranial nerves belong? (1 point)
the cerebrum
the peripheral nervous system
spinal nerves
the central nervous system
The cranial nerves belong to the peripheral nervous system.
A) If the symbol “→” means “make up”, which of the following answer choices correctly demonstrates the relationship between the given terms?
(1 point)
Cells → Tissues → Organs → Organ Systems
Organ Systems → Organs → Cells → Tissues
Tissues → Organ Systems → Cells → Organs
Organ Systems → Organs → Tissues → Cells
The correct answer choice that demonstrates the relationship between the given terms is:
Organ Systems → Organs → Tissues → Cells
To determine which structures the straws represent in the model of the respiratory system, we need to consider the functions and positions of each structure.
1) Lungs: Lungs are the main organs responsible for respiration. They are located in the chest cavity and play a crucial role in exchanging oxygen and carbon dioxide. In the model, the straws may represent the main branches of the bronchi that connect the trachea to the lungs.
2) Diaphragm: The diaphragm is a dome-shaped muscle located beneath the lungs and is essential for breathing. When it contracts, it moves downward, increasing the volume of the chest cavity, allowing air to enter the lungs. In the model, the diaphragm might not be represented by straws. Instead, it can be depicted using a rubber sheet or a piece that moves up and down.
3) Trachea and Bronchi: The trachea is commonly known as the windpipe, which connects the nasal cavity and mouth to the lungs. The trachea then divides into two bronchi, each leading to one lung. In the model, the straws can represent the trachea and bronchi, allowing air to flow from the mouth/nose to the lungs.
4) Chest Cavity and Ribs: The chest cavity is the space enclosed by the ribs and the diaphragm. It houses the lungs, heart, and other vital structures. The ribs protect the chest cavity. In the model, the straws do not directly represent the chest cavity and ribs. However, you could include something like a box or container to represent the chest cavity and use the straws to symbolize the respiratory passages within it.
Please note that the interpretation of the model can vary depending on the specific design and intent of the creator. It's always best to refer to the instructions or ask the model builder for the precise representation of the straws.