A reflex is a fast, unpremeditated, automatic response to the changes in the environment. It is a homeostatic mechanism. A reflex that involves the brain as the integrating centre is called a cranial reflex while that ...
Helminths are animals that belong to the phyla Platyhelminthes and Nematoda (Nemathel- minthes). Many parasitic forms of this group, popularly known as parasitic worms, are endoparasites of gut and blood in human body and cause various diseases ...
• Neural tissue exert the greatest control over the body’s responsiveness to changing conditions. • It generally develops from the ectoderm but microgliocytes (glial cell type) arise from the mesoderm of the embryo. • The special properties of ...
The special connective tissue cartilage, bone and blood – each have unique cells and extracellular matrices that allow specialized functions. I. Cartilage • Cartilage is a soft skeletal tissue. It is not rigid like bone. • ...
Animal Connective tissue • Connective tissue, formed from mesoderm of the embryo, is the most abundant and widely distributed tissue of the body. • This tissue provides the structural framework and support to different tissues and helps ...
New MCQs 1. Ca2+ level is controlled by (a) thyroid <b) parathyroid (c) both (a) and (b) (d) adrenal. 2. Mammalian thymus is mainly concerned with (a) regulation of calcium level (b) regulation of body growth (c) immunological functions (d) secretion ...
(i) Heart The cells, called cardiocytes, of the atria secrete a peptide, atrial natriuretic factor (ANF) which ...
Human endocrine system includes the following glands. Hypothalamus (Supreme commander) ...
Cell function is broadly controlled by two mechanisms : nervous and endocrinal. 1. Neural control is due to the spread of depolarization through the nerve. It has rapid action (much shorter latent period) and it affects certain groups ...
PROTOZOAN DISEASES • Protozoans are diverse group of eukaryotic, unicellular organisms. • Human diseases caused by protozoa are ...