Even though the bones are very hard, the two bones that form a joint do not cause friction, except in the elderly. which is an appropriate justification for the smooth movements of these bones? synovial fluid, which is present in the space between the joints, acts as a lubricant, thus avoiding friction of the two bones forming a joint. cartilaginous disc, which is present in the space between the joints, acts as a lubricant, thus avoiding friction of the two bones forming a joint. acetylcholine, which is present in the space between the joints, acts as a lubricant, thus avoiding friction of the two bones forming a joint. nextreset

Which of the rock examples below is most likely to be metamorphic

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom