The key difference between actin and myosin is that actin exists as thin, short filaments while myosin exists as thick, long filaments in myofibrils of the muscle fibers. Actin-myosin contractile system is the main contractile system of all muscular tissues, and it works based on the interactions between the two proteins – the actin and […]
Difference Between Origin and Insertion
The key difference between origin and insertion is that origin is the bone attachment at the stationary end of the muscle while insertion is the bone attachment to the mobile end of the muscle. A muscular tissue mainly comprises of all the contractile tissues of the body including skeletal, cardiac, and smooth muscles. Muscles are […]
Difference Between Cerebrum and Cerebellum
The key difference between cerebrum and cerebellum is that cerebrum is the largest part of the forebrain while cerebellum is the largest part of the hindbrain. The nervous system of vertebrates comprises three major systems: central nervous system, peripheral nervous system, and autonomic nervous system. The central nervous system consists of two major parts: brain […]
Difference Between Skeletal Muscle and Cardiac Muscle
The key difference between skeletal muscle and cardiac muscle is that skeletal muscle is under voluntary control while cardiac muscle is under involuntary control. Muscle tissue is one of the four types of tissues present in the animal body. It has the ability to contract in order to facilitate movements of different parts of the […]
Difference Between Epithelium and Connective Tissue
The key difference between epithelium and connective tissue is that epithelium is the tissue that lines outer surfaces of organs and blood vessels as well as inner surfaces of cavities of organs while connective tissue is the tissue that separates, connects and supports various tissues and organs in an animal body. There are four types […]
Difference Between Epidermis and Dermis
The key difference between epidermis and dermis is that epidermis is the outermost layer or the upper layer of the skin while dermis is the inner layer of the skin located beneath the epidermis. Birds and mammals are endothermic animals. In order to maintain constant body temperature, these organisms need to have a high metabolic […]
Difference Between Human and Animal Hair
The key difference between human and animal hair is that the human hair does not stop growing; hence, it is longer while the animal hair stops growing when it reaches a certain length; therefore, it is shorter. Presence of hair is one of the most gripping features in mammals, and it varies within species or […]
Difference Between Thyroid and Parathyroid
The key difference between thyroid and parathyroid is that thyroid gland is an endocrine gland that produces hormones that regulate the metabolism of the body while parathyroid gland is an endocrine gland that produces hormones that control the calcium ion levels in the blood. The human endocrine system secretes hormones directly to the circulation. These […]
Difference Between Exoskeleton and Endoskeleton
The key difference between exoskeleton and endoskeleton is that the exoskeleton is an external skeleton present outside the body of an animal while the endoskeleton is an internal skeleton present inside the body of an animal. Body of a living organism, be it a honey bee or a human being, is a complex network of […]
Difference Between Slow and Fast Twitch Fibers
The key difference between slow and fast twitch fibers is that the slow twitch fibers are the muscle fibers mainly used for long endurance such as distance running and they do not become tired easily while fast twitch fibers are the muscle fibers used for a powerful burst of movements such as sprinting and they […]
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