Breathing system 🫁 Flashcards
Vein that carries blood richest in oxygen
Pulmonary vein
Vein that carries blood between intestine and liver
Hepatic portal vein
Vein that carries blood lowest in metabolic waste
Renal vein
Vein that carries blood into the right atrium of the heart
Vena cava
Name structures located at the end of the breathing tract involved in gaseous exchange
Alveoli
Three adaptions of alveoli to increases the efficiency of gaseous exchange
Walls one cell thick,
Moist surface,
Large surface area
What gas, soluble in blood plasma, controls the rate of bleeding
CO2
What region in the brain detects Co2 for breathing
Medulla oblongata
How does the breathing system respond to high levels of Co2
Increases breathing rate
Describe in detail the process of breathing
Brain sends impulses to muscles after high CO2 is detected,
Rib cage moves up and out,
Diaphragm moves down,
Volume of thoracic cavity increases,
Air moves in
Name blood vessel from which the capillary arises
Pulmonary artery
Name disorder of human breathing system and how it is caused and treated
Allergens, inhaler
Define homeostasis
Maintaining a constant internal environment
Why is homeostasis important in the human body
Metabolism
