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  2. Plant anatomy - Wikipedia

    en.wikipedia.org/wiki/Plant_anatomy

    Plant anatomy or phytotomy is the general term for the study of the internal structure of plants.Originally, it included plant morphology, the description of the physical form and external structure of plants, but since the mid-20th century, plant anatomy has been considered a separate field referring only to internal plant structure.

  3. Obligate nasal breathing - Wikipedia

    en.wikipedia.org/wiki/Obligate_nasal_breathing

    Yogis such as B. K. S. Iyengar advocate both inhaling and exhaling through the nose in the practice of yoga, rather than inhaling through the nose and exhaling through the mouth. [28] [29] [30] They tell their students that the "nose is for breathing, the mouth is for eating." [29] [31] [32] [28]

  4. Nasal cycle - Wikipedia

    en.wikipedia.org/wiki/Nasal_cycle

    A CT scan showing evidence of the nasal cycle: the more patent airway is on the right of the image, the swollen turbinates congesting the left. The nasal cycle is the subconscious [1] [2] alternating partial congestion and decongestion of the nasal cavities in humans and other animals.

  5. Nostril - Wikipedia

    en.wikipedia.org/wiki/Nostril

    Fish do not breathe through noses, but they do have two small holes used for smelling, which can also be referred to as nostrils (with the exception of Cyclostomi, which have just one nostril). In humans, the nasal cycle is the normal ultradian cycle of each nostril's blood vessels becoming engorged in swelling, then shrinking.

  6. Human nose - Wikipedia

    en.wikipedia.org/wiki/Human_nose

    The human nose is the first organ of the respiratory system. It is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum, which separates the nostrils and divides the nasal cavity into two. The nose has an important function in breathing.

  7. NASA Study on Air-Purifying Houseplants Debunked: Here's the ...

    www.aol.com/lifestyle/nasa-study-air-purifying...

    There are also plants with medicinal properties, like iron-rich fenugreek, tummy-soothing peppermint and the gel produced by the aloe vera plant. And finally, there’s the integral part plants ...

  8. Plant communication - Wikipedia

    en.wikipedia.org/wiki/Plant_communication

    Plant communication encompasses communication using volatile organic compounds, electrical signaling, and common mycorrhizal networks between plants and a host of other organisms such as soil microbes, [2] other plants [3] (of the same or other species), animals, [4] insects, [5] and fungi. [6]

  9. Nose - Wikipedia

    en.wikipedia.org/wiki/Nose

    A nose is a sensory organ and respiratory structure in vertebrates. It consists of a nasal cavity inside the head, and an external nose on the face. The external nose houses the nostrils , or nares, a pair of tubes providing airflow through the nose for respiration .