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But don't let this difference fool you! Women are still incredibly strong, and their muscles are more than capable of providing support and stability to the torso. The muscles in the anatomy female torso are just as important for maintaining posture, balance, and overall movement as those in their male counterparts. Fat Distribution
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Multifidus lumborum - originates from the mammillary processes of the lumbar vertebrae, posterior aspect of the sacrum, posterior superior iliac spine (PSIS) of ilium and the posterior sacroiliac ligament. One of the most significant differences between male and female anatomy is, of course, the reproductive system. The female reproductive system is designed to produce eggs, nurture a developing fetus, and facilitate childbirth. Key organs within the female torso include: Distribution of cutaneous nerves. Ventral aspect. Dorsal and lateral cutaneous branches labeled at center right. The body contains trillions of cells, the fundamental unit of life. [3] At maturity, there are roughly 30 [4]–37 [5] [6] trillion cells in the body, an estimate arrived at by totaling the cell numbers of all the organs of the body and cell types. The body is also host to about the same number of non-human cells [4] as well as multicellular organisms which reside in the gastrointestinal tract and on the skin. [7] Not all parts of the body are made from cells. Cells sit in an extracellular matrix that consists of proteins such as collagen, surrounded by extracellular fluids. Of the 70kg (150lb) weight of an average human body, nearly 25kg (55lb) is non-human cells or non-cellular material such as bone and connective tissue.The heart acts as a two-way pump. The right side of the heart pumps deoxygenated blood into the pulmonary circulation of the lungs, where the blood is reoxygenated again. While the left side of the heart simultaneously pumps oxygenated blood into the systemic circulation, distributing it to the peripheral tissues. The regular pumping, or heartbeat, is controlled by the conduction system of the heart. The heart is an organ located in the thoracic cavity between the lungs and slightly to the left. It is surrounded by the pericardium which holds it in place in the mediastinum and serves to protect it from blunt trauma, infection and help lubricate the movement of the heart via pericardial fluid. [13] The heart works by pumping blood around the body allowing oxygen, nutrients, waste, hormones and white blood cells to be transported.
Torso | anatomy | Britannica
Human physiology is the study of how the human body functions. This includes the mechanical, physical, bioelectrical, and biochemical functions of humans in good health, from organs to the cells of which they are composed. The human body consists of many interacting systems of organs. These interact to maintain homeostasis, keeping the body in a stable state with safe levels of substances such as sugar and oxygen in the blood. [61]
Respiratory system
When we think about posture, the spine immediately comes to mind. The anatomy female torso features a unique spinal curvature that helps maintain an upright position and supports the body's weight. The female spine generally has a more pronounced lumbar curve compared to men, which is essential for supporting the added weight in the pelvic and abdominal regions during pregnancy. The bladder is a hollow balloon shaped organ located in the pelvis. It stores urine until the brain signals it to relax the urinary sphincter and release the urine into the urethra starting urination. [57] A normal bladder can hold up to 16 ounces (half a liter) for 3–5 hours comfortably. The heart has an electrical conduction system to control the contractions and relaxation of the muscle. It starts in the sinoatrial node traveling through the atria causing them to pump blood into the ventricles. It then travels to the atrioventricular node which makes the signal slow down slightly allowing the ventricles to fill with blood before pumping it out and starting the cycle over again. [16] The female torso is a complex and fascinating part of the human anatomy. To better understand it, we'll first discuss its bones and structure, then move on to muscles and ligaments, and finally, explore the skin and fascia. Bones and Structure
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The female reproductive system is an incredible example of the complexity and capabilities of the anatomy female torso. It's simply amazing what our bodies can do! 3. Differences Between Male and Female Torso Anatomy Contraction of multifidus produces extension and contralateral rotation of the thoracic spine. The stimulus for this movement comes through the medial branches of the posterior rami of spinal nerves.The external female sex organs, also known as the genitals, are the organs of the vulva (the labia, clitoris, and vaginal opening). The internal sex organs are the ovaries, fallopian tubes, uterus and vagina. The vulva provides an entry to, and protection, for the vagina and uterus, as well as the proper warmth and moisture that aids in its sexual and reproductive functions. In addition, it is important for the sexual arousal and orgasm in females. Their main roles are to support and move the scapula superomedially. They also rotate the glenoid cavity inferiorly. The rhomboids are innervated by the dorsal scapular nerve (C5). Development of the human body is the process of growth to maturity. The process begins with fertilisation, where an egg released from the ovary of a female is penetrated by sperm. The egg then lodges in the uterus, where an embryo and later fetus develop until birth. Growth and development occur after birth, and include both physical and psychological development, influenced by genetic, hormonal, environmental and other factors. Development and growth continue throughout life, through childhood, adolescence, and through adulthood to old age, and are referred to as the process of aging. The heart is composed of two atria and two ventricles. The primary purpose of the atria is to allow uninterrupted venous blood flow to the heart during ventricular systole. This allows enough blood to get into the ventricles during atrial systole. Consequently, the atria allow a cardiac output roughly 75% greater than would be possible without them. [14] The purpose of the ventricles is to pump blood to the lungs through the right ventricle and to the rest of the body through the left ventricle. [15] The external female reproductive system, also called the vulva, consists of the mons pubis, a fatty mass that covers the pubis, the labia majora (outer lips), the labia minora (inner lips), the vaginal opening which opens into the vagina and is where the penis is inserted during sexual intercourse and children are born. The urethral opening is for the urethra that carries urine from the bladder and the clitoris which contains the most sensitive nerve endings and in humans has no use other than sexual pleasure. Located between the anus and vulva is the perineum. [43] [41] Internal gross anatomy of the female reproductive system
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