Kidney-Structure, Anatomy and Function
Kidney-Structure, Anatomy and Function Gross Structure Kidneys are bean-shaped organs, about 11 cm long, 6 cm wide, 3 cm thick and weigh 150 g. They […]
Anatomy and Physiology
Conducting System of Heart Beat
Conducting System of Heart Beat Heart possesses the property of autorhythmicity which means it generates it own electrical impulse and beat independent of nervous and […]
Human Heart-Gross structure and Anatomy
Human Heart-Gross structure and Anatomy Heart Heart is a myogenic muscular organ that pumps blood throughout the blood vessel by repeated rhythemic contraction. Figure: […]
Feedback Mechanism-Negative feedback and Positive feedback
Feedback Mechanism-Negative feedback and Positive feedback Feedback Mechanism: It is the general mechanism of nervous or hormonal control and regulation in Human. Feedback system consists […]
Homeostasis-Control System
Homeostasis-Control System Homeostasis is a physiological process of a body to maintain constant internal environment in response to fluctuations in outer external environment. Internal environment […]
Sliding Filament Theory of Muscle Contraction
Sliding Filament Theory of Muscle Contraction The mechanism of muscle contraction is explained by sliding filament model. This theory was proposed by H.E Huxley and […]
Ovarian cycle-Menstrual Cycle
Ovarian cycle (Menstrual cycle) It is a series of cyclic changes occurring in the reproductive tract of female with the periodicity of 28 days It […]
Human Fertilization and Embryogenesis
Human Fertilization and Embryogenesis Fertilization It is the process of Fusion of sperm and ovum to form Zygote. Fertilization usually take place in oviduct. Ovum […]
Gametogenesis in Human-Spermatogenesis and Oogenesis
Gametogenesis It is the process of formation of respective gametes (sperm and ova) in respective gonads. It involves Spermatogenesis and Oogenesis. Spermatogenesis It is the […]
Mechanism of Hormone action
Mechanism of Hormone action Hormones are the chemical messenger secreted directly in the blood stream by endocrine gland. They are target specific and bind to […]