Answer:
El aparato circulatorio unidireccional transporta sangre a todas las partes del cuerpo. Este movimiento de la sangre dentro del cuerpo se denomina «circulación». Las arterias transportan sangre rica en oxígeno del corazón y las venas transportan sangre pobre en oxígeno al corazón.
Explanation:
Answer:
charts that show population increase or decrease.
like
the internet is also one like the san diego zoo has a page where you can see if the animal is flourishing in numbers, or not.
The stomata would enlarge as the pore gets more concentration of potassium
Answer:
Ralph is looking at a vein (likely a muscular vein).
Explanation:
Of all three great types of vessel present in vertebrates (arterial, venous, lymphatic), only veins and lymphatic vessels may normally contain valves. This is an essential feature of vessels which present low pressure flow, since it ensures that such flow is unidirectional.
Since blood cells are not typically found in lymphatic vessels, the vessel in question can be assumed to be a vein.
Sublimation( solid---gas) is extremely rare because the particular solid needs to exert a high amount of vapor pressure to the extent that it is greater than atmospheric pressure.