Did you know?
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
The vocal cords within the larynx, superior view from the pharynx.
The respiratory system: nasal cavity, pharynx, larynx, trachea, bronchus, and lung with expanded vie
Nose, nasal cavity, and pharynx: (A) nasal cartilages and external structure; (B) meatus and positio
Sagittal section of the nasal cavity and pharynx.
Pharynx.
Days 24–25 Pharyngeal arches develop. They will contribute to the face, neck, larynx, and pharynx.