The Respiratory System Chapter 23. Introduction n The trillions of cells making up the body require a continuous supply of oxygen to carry out vita functions.
The respiratory system. Respiratory System Function Major Functions Upper respiratory system: 1.Air conditioning 2.Defense against pathogens Lower respiratory.
Biology 2201 Unit 3 – Dynamic Equilibrium Section 3 – Lesson 2 – Structure and Function of Human Respiratory System P 334 - 337.
RESPIRATORY SYSTEMS Skin- unicellular and small animals Trachea- in arthropoda Gills- Fish Parabronchus-Birds Lung-many vertebrates except fish.
RESPIRATORY SYSTEM SBI3U. RESPIRATION: Organisms obtain oxygen which is necessary for the release of energy from food (i.e. breathing) Cellular Respiration:
Aim: What are the parts and functions of the human respiratory system? I. Parts of Human Respiratory System A. Nasal Cavity 1. Warms the air (capillary.
How long can you hold your breath? Brett LaMaster - constant ballast free diving record – 266 ft., 2 ½ minutes Francisco Ferreras (Pipin) - no limits free.
The Cardiovascular System SBI3U: Internal Systems.
Diaphragm Intercostal muscles External intercostal muscles Rectus abdominus Sternocleidomastoid Lungs (Plural cavity) (alveoli) (Bronchus,
Circulatory System
I- Respiratory system Is divided into: I- Conducting portion: (transports, filters, moistens and warms the inspired air): Is formed of nasal cavity, nasopharynx,
Respiratory System: Organs Nose Nasal Cavity Pharynx Larynx Trachea Bronchi & their divisions Lungs.