Answer:
Superior vena cava
Explanation:
Of the two vena cava, the superior vena cava is the large vein without valves that is responsible for conveying de-oxygenated blood from the upper extremities and body (neck, chest, arm and head) above the diaphragm to the right artrium.
Although the superior vena cava is a large vein, it also short; it is about 2 cm wide and 7 cm long.
When there is an obstruction of the superior vena cava, it can result to the enlargement of the veins and could lead to chest pain and breathlessness.
Sunlight and humidity I believe is the answer..
Answer:
D. Feel-good/pleasure
I hope I helped!
Answer:
With few exceptions, all cells in a person’s body have the same DNA and genes. As cells divide and grow different genes are expressed, resulting in different cell types. As cells divide and grow different genes are expressed, resulting in different cell types.
Explanation:
<span>(I got this from my handbook dictionary)
"the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes."
What that basically means is that homeostasis is the ability to respond to certain environments. It is how you respond to environmental changes and how you basically adapt to it.. that's where the idea of response and adaption came from.
Hope this Helps!! (I had a quiz on this once) </span>
