The answer is probably air.
Answer:
Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
Explanation:
The structure found on the outside of the onion cell is the cell wall, which is specific to plants. The structure found on the outside of the skin cell is the cell membrane, which is found on all cells.
Structure X is not living, and structure Y is living. - this is false, both animal and plant cells are living.
Structure X can be found in some human cells, and structure Y can be found in some plant cells. - this is false, the opposite is true.
Structure X is only found in plant cells, and structure Y is found in plant and animal cells. - this is true structure X is the plant cell wall, and structure Y is the cell membrane
Structure X is semipermeable, and structure Y is selectively permeable. Semi-permeable and selectively permeable are essentially the same thing - it means the barrier allows some substances to pass through but not others.
Answer:
Enfermedad que se desarrolla lentamente, pudiendo durar mucho tiempo o incluso el resto de la vida de una persona. Un ejemplo es la artritis.
Explanation:
Tipo de glóbulo blanco o leucocito que fabrica unas sustancias llamadas anticuerpos, muy importantes en nuestras defensas.
Enfermedades que llevan a la muerte
Las diez enfermedades más misteriosas
Sida.
Alzhéimer.
La causa del alzhéimer todavía es desconocida. Las investigaciones suelen asociar la enfermedad con la aparición de placas seniles y ovillos neurofibrilares. ...
Resfriado común.
Gripe aviar.
Pica.
Enfermedades autoinmunes.
Esquizofrenia.
<span>Olfactory glands coat the olfactory epithelium with a pigmented mucus. They are responsible for the olfactory information, which is a term that describes the smell . </span>Olfactory information is first received by the cerebrum. <span>The </span>cerebrum is a large part of the brain, <span>the uppermost region of the central nervous system </span><span>that is responsible for olfaction, or the sense of </span>smell.