Keratin is an intracellular fibrous protein that gives hair, nails, and skin their hardness, strength, and water-resistant properties. The keratinocytes in the stratum corneum are dead and regularly slough away, being replaced by cells from the deeper layers
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~Emmy <3
Answer:
do it in your self hahahahahaa
Answer:
The time between the end of ventricular systole to the beginning of atrial systole is 100 ms or 0.1 seconds.
Explanation:
Ventricular systole is the removal of blood from the heart by pumping through aorta and pulmonary vein. Both aorta and pulmonary vein receive the blood from the heart. Aorta receives oxygenated blood and pulmonary vein receive deoxygenated blood, while atrial systole is the addition of blood into the ventricular from vena cava and pulmonary artery due to contraction of heart. This process occurs in 100 ms.
<u>Answer:</u>
<em>The south beach in Florida is at high risk of flood from high tide.</em>
<u>Explanation:</u>
Even at the no rain days the sea level of the south beach rises creating a fear for the resident about the flooding. The cities in the Florida are maximum on the limestone, so it is obvious that water will rise through it very soon.
The interaction between the sun and moon causes the high tides to occur even in the sunny days.
It is likely to be a negative feedback. D is formed from B or C. D reduces the activity of the enzyme that converts A.
