RESPIRATORY Lecture 1-A&P

Upper and lower respiratory system

Left and right lungs

Nasal and oral cavity

Trachea and bronchi

8,000 to 12,000 times

16,000 to 24,000 times

24,000 to 30,000 times

12,000 to 16,000 times

To produce oxygen

To carry carbon dioxide

To exchange gases

To connect the trachea and bronchi

Diaphragm

Abdominal muscles

Intercostal muscles

Both a and c

Gas exchange

Pulmonary ventilation

External respiration

Internal respiration

Pharynx

Larynx

Trachea

Bronchi

To regulate blood pressure

To detect changes in oxygen levels

To send signals to the brain about breathing rate

Both b and c

Two

Three

Four

Five

Deoxygenated blood

Oxygenated blood

Carbon dioxide-rich blood

Nutrient-rich blood

Cerebellum and hippocampus

Pons and medulla oblongata

Thalamus and hypothalamus

Amygdala and corpus callosum

To filter and warm the air

To produce mucus

To exchange gases

To support the trachea

Larynx

Pharynx

Trachea

Bronchi

To produce sound

To close the nasal cavity

To prevent food from entering the trachea

To aid in gas exchange

Carbon dioxide

Oxygen

Nitrogen

Water vapor

Medulla oblongata

Pons

Cerebral cortex

Hypothalamus

To produce mucus

To facilitate gas exchange

To reduce friction during breathing

To support the trachea

Alveoli

Bronchioles

Cilia

Pleura

Oxygen

Nitrogen

Carbon dioxide

Helium

To produce energy

To regulate body temperature

To exchange gases between the body and the environment

To transport nutrients

Pharynx

Trachea

Alveoli

Diaphragm