Biology 6 - Respiratory System

In order to prevent food from entering your windpipe, the ______________ closes over your trachea when you swallow.

• Epiglottis

• Pharynx

• Larynx

• Uvula

What are you doing when you diaphram and rib muscles contract, and air enters the space created inside your chest cavity?

• Coughing

• Eating

• Exhaling

• Inhaling

What body system is responsible for taking in oxygen and expelling carbon dioxide?

• Digestive system

• Endocrine System

• Lymphatic system

• Respiratory system

Aveoli are surrounded by:

• Capillaries

• Lymph nodes

• Muscles

• Veins

What structure of the respiratory system allows you to produce sound?

• Trachea

• Pharynx

• Larynx

• Nasal Cavity

The Trachea Splits into two tubes called the _________________.

• Alveoli

• Bronchi

• Bronchioles

• lungs

During respiration oxygen moves from the ______________________.

• Alveoli into the bloodstream

• Alveoli into the cells

• Bloodstream into the alveoli

• Cells into the bloodstream

Which of the following is the correct sequence of organs of the respiratory system?

• mouth or nose, pharynx, larynx, trachea, bronchi, lung

• mouth or nose, larynx, pharynx, bronchi, trachea, alveoli

• mouth of nose, larynx, pharynx, bronchi, trachea, lungs

• mouth or nose, esophagus, larynx, trachea, lungs, bronchi

What structure, also known as the throat, is part of both the respiratory and digestive systems?

• Esophagus

• Diagram

• Pharynx

• Trachea

What is the name of the structure beneath your lungs that contract and relaxes to help move gases into and out of your lungs?

• Bronchi

• Diaphragm

• Alveoli

• Larynx