Question:

Regeneration of liver is

Updated On: Jul 2, 2022

metamorphosis
reparative regeneration
epimorphosis
morphogenesis

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The Correct Option is B

Solution and Explanation

Reparative regeneration is quite common in both invertebrate and vertebrate groups. It is confined to healing of injuries. For example, earthworms and related annelids are capable of regenerating a few body segments severed from either or both the ends of the body. Among amphibians, salamanders and axolotl larvae are unique for their power of regenerating some organs and body parts such as limb, tail, external gills, jaws, intestine and eye structures. Liver in mammals has the extensive power of reparative regeneration.

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Notes on Hormones

Concepts Used:

Biomolecules - Hormones

Hormones are defined as important chemicals that act as messengers of the body. These are the chemicals that are secreted by special glands, known as endocrine glands and these distributed throughout the body. It helps in controlling of physiological functions. Moreover, they are important while maintaining homeostasis in the body. The entire endocrine system is a network of glands. Hormones are almost same as the nervous system. Functioning of various body functions it plays an important role. The only difference between the nervous system and hormones that nervous system uses nerve impulses and neurotransmitters for communication, while the endocrine system uses chemical messengers named hormones.

Types of Hormones:

Peptide Hormones: Peptide hormones include amino acids that are soluble in water. Insulin is a vital peptide hormone that is produced by the pancreas.
Steroid Hormones: Unlike peptide hormones, steroid hormones are fat-soluble and can easily pass through a cell membrane with ease. Sex hormones like testosterone, estrogen, etc. are some of the kinds of steroid hormones.