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.
Did you know?
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
Did you know?
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Oral cavity: (A) sagittal section; (B) anterior view as seen through the open mouth.
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
Diaphragm
Right lateral view of several articulated thoracic vertebrae
Ciliated protozoan Tetrahymena with buccal cavity visible.