In the model that you built of the respiratory system, what structures did the straws represent?(1 point) Responses the trachea and bronchi the trachea and bronchi the lungs the lungs the chest cavity and ribs the chest cavity and ribs the diaphragm

In the model of the respiratory system, the straws typically represent the **trachea and bronchi**. They serve as the pathways through which air travels into the lungs.

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

The two organ systems most responsible for your reaction when your hand jerks up after touching a hot stovetop are the **nervous and muscular** systems. The nervous system allows you to sense the heat and initiates the reflex action, while the muscular system is responsible for the movement of your hand.

The diaphragm can be classified as part of which two organ systems?(1 point) Responses muscular and nervous muscular and nervous circulatory and respiratory circulatory and respiratory muscular and respiratory muscular and respiratory immune and skeletal

The diaphragm can be classified as part of the **muscular and respiratory** organ systems. It is a muscle that plays a crucial role in the process of breathing.

To which part of the nervous system do the cranial nerves belong?(1 point) Responses spinal nerves spinal nerves the peripheral nervous system the peripheral nervous system the cerebrum the cerebrum the central nervous system

The cranial nerves belong to the **peripheral nervous system**. They originate from the brain and are responsible for various functions, including sensory and motor functions of the head and neck.

If the symbol “→” means “make up”, which of the following answer choices correctly demonstrates the relationship between the given terms?​(1 point) Responses Organ Systems → Organs → Cells → Tissues​ Organ Systems → Organs → Cells → Tissues​ ​Tissues → Organ Systems → Cells → Organs​ ​Tissues → Organ Systems → Cells → Organs​ ​Organ Systems → Organs → Tissues → Cells​ ​Organ Systems → Organs → Tissues → Cells​ ​Cells → Tissues → Organs → Organ Systems​

The correct choice that demonstrates the relationship between the given terms, using “→” to mean “make up,” is:

**Organ Systems → Organs → Tissues → Cells**.

This indicates that organ systems are made up of organs, which are made up of tissues, which are made up of cells.