类别 全部 - alveoli - lungs - respiratory - oxygen

作者:Ethan Donald 7 年以前

560

Respiratory System

Respiratory System

Respiratory System

Epiglottis

Bronchioles
Bronchial Tubes

Pharynx

Oxygen
Larynx
Vocal Cords
Trachea

Lungs

Diphragm
Carbon Dioxide
Alveoli

Nose

Cilla
Blood Vessles
Mucas