The Human Circulatory System comprises the heart, blood vessels, blood, lymph, arteries, capillaries and veins. Discover more about circulatory system at BYJU'S
South Africa. In 1953 he received an M.D. from University of Cape Town. Dr. Barnard performed the world’s first human heart transplant on 3 December 1967. The patient, 53 years old dentist Louis Washkansky, was given the heart of a 25 years old auto crash victim named...
Together, these muscles form the anterolateral boundary of the abdominal cavity. They are involved in movements of the trunk, mainly flexion and rotation. They also contribute to changing the intra-abdominal pressure, which is essential for basic bodily functions such as micturition and defecation. ...
Ribs are flat, narrow and curved bones of strips found in the chest of vertebrates. They are attached to the vertebrae on the dorsal side and to the sternum on the ventral side. This attachment forms an enclosed structure called the rib cage. Read on to
Human skeleton, the internal skeleton that serves as a framework for the body. This framework consists of many individual bones and cartilages. There also are bands of fibrous connective tissue—the ligaments and the tendons—in intimate relationship wit
An overview of the bones of the pelvis, pelvic cavity, pelvic floor muscles, vessels and innervation with labeled diagrams of the male vs female pelvis ➤
cavity; in males, the two testes are enveloped in a sac of skin, thescrotum, lying below and outside the abdomen. Besides producing the germ cells, orgametes, the ovaries and testes are the source of hormones that cause full development of secondary sexual characteristics and also the ...
the cavity of the nose, lined with cilia, through which air is conveyed; as air moves through the cavity, it is cleaned, moisturized, and heated 位置 詞語 nostrils 定義 the passages or apertures of the nose through which air is inhaled and exhaled in respiration ...
inbirds, the heart is a four-chambered double pump that is the centre of thecirculatory system. In humans it is situated between the two lungs and slightly to the left of centre, behind the breastbone; it rests on thediaphragm, the muscularpartitionbetween the chest and theabdominal cavity...
inbirds, the heart is a four-chambered double pump that is the centre of thecirculatory system. In humans it is situated between the two lungs and slightly to the left of centre, behind the breastbone; it rests on thediaphragm, the muscularpartitionbetween the chest and theabdominal cavity...