Biology
Ligament
osteoclasts
a blood cell production (I guess the marrow is considered distinct from the skeleton)
a sacrum
d sarcomeres
oxygen diffuses into the blood and carbon dioxide diffuses into the alveoli
isometric contraction
antidiuretic hormone
albumin
b thrombin
capillaries
left atrium
troponin
diffusion
larynx
melanin
bradycardia
women
diaphragm
artery
spongy bone or epiphysis
Blood is a transportation mechanism, moving gas, waste and nutrients throughout the body. Some are dissolved in blood, but oxygen is transported by the erythrocytes. Blood is a regulator, for example helping to regulate the body's pH and water balance. Blood is also a protector. Some blood cells (leukocytes) attack invading cancer cells, for example, and other pathogens. Blood also clots, which helps to protect the body against blood loss. Platelets are an element in blood clotting.
The heart is described as a double pump because the right ventricle is one pump, and the left ventricle is the other pump. The right ventricle pushes the blood into arteries, arterioles and capillaries of the lungs, while the left ventricle pushes blood through the arteries and capillaries to get transport oxygen through the body (Khan, 2014).
24. Severe shock is associated with tachycardia because the shock reflects a loss of plasma, so it is likely that the heart is pumping harder to try to replace the lost plasma. Nevertheless, shock is also likely to be accompanied by low blood pressure. The causes of shock will often involve some sort of trauma like internal bleeding or burns that might cause a diminished level of plasma.
Reference
Glavallese, E., Harada, Y., Wang, J., Gorn, A., Thornhill, T., & Goldring, S. (1998). Identification of cell types responsible for bone resorption in rheumatoid arthritis and juvenile rheumatoid arthritis. American Journal of Pathology. Vol. 152 (4) 943-951.
Khan. (2014). The heart is a double pump. Khan Academy. Retrieved November 29, 2014 from https://www.khanacademy.org/science/health-and-medicine/human-anatomy-and-physiology/heart-introduction/a/the-heart-is-a-double-pump
NASS. (2014). The spinal column. North American Spinal Society. Retrieved November 29, 2014 from http://www.knowyourback.org/Pages/Definitions/AnatomySpine/Bones/SpinalColumn.aspx
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