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Hace 1 día · Across the range of mammalian body mass, there is a negative correlation between the slope of a mammalian order and its average body mass ( ρ = −0.63, P = 0.049, Fig. 1; ρ = −0.82, P = 0.006 ...
Hace 4 días · In the human body there are four categories of tissues: epithelial, connective, nervous and muscle. Latest Research and Reviews. Quantifying mechanical forces during vertebrate morphogenesis.
Hace 4 días · Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary cardiac and smooth muscles are responsible for contraction of...
Hace 5 días · The human body has a microbiome in every part of it, from the skin to the gut and even in places like the bloodstream that were thought to be sterile in the past (Proal et al., 2014). Numerous reports suggest the presence of over 10,000 microbial species occupying various human body parts (Blaser, 2006; Ley et al., 2006).
Hace 4 días · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.
Hace 3 días · In a study in today's (Monday Feb. 26) Nature Human Behavior, scientists delve into the world of chemical neuromodulators in the human brain, specifically dopamine and serotonin, to reveal...
Hace 2 días · The philosophy of mind is a branch of philosophy that deals with the nature of the mind and its relation to the body and the external world. The mind–body problem is a paradigmatic issue in philosophy of mind, although a number of other issues are addressed, such as the hard problem of consciousness and the nature of particular mental states.
