Straighterline Anatomy and Physiology 2 Lab BIO202L Lab 13 The Respiratory System Worksheet 2023/2024 Questions and Answers
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Course
Straighterline Anatomy and Physiology 2 Lab
Institution
Straighterline Anatomy And Physiology 2 Lab
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Pre-Lab Questions
”1. Name two functions of the nasal cavity mucosa.”
The nasal cavity mucosa serves as a protective barrier, trapping and filtering airborne
particles and p...
Lab 13 The Respiratory System BIO202L Straighterline Anatomy and Physiology 2 Lab BIO202L Lab 13 The Respiratory System Worksheet 2023 Student Name: Click here to enter text. Access Code (located on the lid of your lab kit): Click here to enter text. Pre-Lab Questions ”1. Name two functions of the nasal cavity mucosa. ” The nasal cavity mucosa serves as a protective barrier, trapping and filtering airborne particles and pathogens, p reventing them from entering the respiratory system. It also plays a role in humidifying and warming the inhaled air, preparing it for the delicate structures of the respiratory tract. ”2. Why is the trachea reinforced with cartilaginous rings? ” The tra chea is reinforced with cartilaginous rings to maintain its shape and prevent collapse during breathing, ensuring a continuous and unobstructed airflow to the lungs. ”3. Describe the path a molecule of oxygen takes to get to body tissue, starting with the nares. ” After entering through the nares (nostrils), a molecule of oxygen travels through the nasal cavity, where it is filtered, warmed, and humidified by the nasal mucosa. Next, it moves down the trachea, through the bronchi, and into the smaller bronc hioles, eventually reaching the alveoli in the lungs where gas exchange occurs, allowing oxygen to diffuse into the bloodstream and be transported to body tissues via the circulatory system. ”4. What is asthma? ” Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, leading to recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing. Experiment 1: Microscopic Anatomy of the Respiratory System Lab 13 The Respiratory System BIO202 L Table 1: Experimental Observations Respiratory Image Description of Visible Structure(s) Trachea Goblet cells,trachea, celia, connective tissue Lung Bronchi, bronchioles, alveolar sacks, alveoli Post -Lab Questions ”1. Label the arrows in the slide images below. ” A- goblet cells B- basement membrane C- connective tissue D- cillia E- blood vessels F- bronchi G- alveoli H- alveolar sack
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