Answer:
Allele frequencies change randomly each generation is the example of genetic drift.
<span>Sensitive to stimuli that stretch, compress, twist, or distort their plasmalemmae. 3 classes: 1) tactile- provide sensations of touch, pressure, and vibration 2) baroreceptors- detect pressure changes in the walls of blood vessels, digestive, reproductive, and urinary tracts. 3) proprioceptors- monitor the position of joints and muscles are are the most complex general sensory receptors.</span>
Answer:
What sends oxygenated blood back to the heart from the lungs?
Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.
Explanation:
