Nonmuscular Movement
Cytoskeleton Most cells contain cytoskeletal elements comprising contractile filaments of actin and myosin, together with microtubules. This permits …
Zoology
Veins of the Neck
Veins of the Neck The veins of the neck include the external jugular, internal jugular, vertebral, and subclavian …
Nose (Nasal Cavity)
Nose (Nasal Cavity) The median nasal septum, consisting of bony and cartilaginous components, subdivides the nasal cavity into …
Anatomy of Tongue
Anatomy of Tongue The tongue, a muscular organ, is divided for descriptive purposes into the body, which lies …
Bone And Connective Tissue In The Vertebrate Skeleton
Bone And Connective Tissue In The Vertebrate Skeleton Connective tissue Connective tissue is abundant in the body: it …
Class Reptilia- Turtles
Class Reptilia- Turtles The reptiles constitute one of the most interesting, and, in general, one of the least …
Animal Hormones
Animal Hormones Vertebrate Endocrine Glands and Hormones Hormones and Nerves Increasing size and complexity in multicellular animals necessitates …
Amphibia. Frogs, Toads, Salamanders
Amphibia. Frogs, Toads, Salamanders The common amphibians are the frogs, toads, and salamanders. They spend part or all …
Human Blood Glucose Control
Human Blood Glucose Control ▶Blood glucose norm Blood glucose control is part of the energy management of the …
The Gut And Digestion
Feeding patterns Macrophagous feeders (eat large food particles) include carnivores which eat meat (includes fish-eating piscivores, and insect-eating …
Chemical composition of protoplasm
Chemical composition of protoplasm When protoplasm is studied chemically, it is found to be built up of the …