1. De ce considerați că tusea si strănutul sunt reflexe de apărare? 2. Scrieti trei diferențe între nervii spinali și nervii cranieni. 3. Ce reprezintă schema: R -- CA (CS) -- CR (CC) -- CE (CM) -- E ? Scrieți ce credeți că reprezintă prescurtările. 4. Enumerați reflexele coordonate de trunchiul cerebral. 5. Scrieți două diferențe între un nerv senzitiv și un nerv motor. 6. Ce rol au substanțele cenușie și albă?

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

the correct answer is sex-linked recessive.

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density and pressure