Answer:
In a hypotonic solution, the solute concentration is lower than inside the cell. ... Depending on the amount of water that enters, the cell may look enlarged or bloated. If the water continues to move into the cell, it can stretch the cell membrane to the point the cell bursts (lyses) and dies.
Answer:
The upper region of the body veins carries blood that has no oxygen to the heart through superior vena cava and the lower part of the blood with no oxygen will transfer to the heart with the help of superior vena cava.
In Right hand:
At first, blood in the palmar region or distal end of the arm deoxygenated blood from this side will go to the following manner -
right ulnar vein - to the right Axillary vein - to the right subclavian vein - Right internal jugular vein - right brachiocephalic vein and finally it reaches the superior vena cava of the heart.
The same pathway will take place on the left side of the upper region of the body.
Your heart pumps blood so it can circulate to your tissues as well as get oxygen from your lungs, if your heart can’t pump blood well i.e. heart attack you can feel short of breath
D hoped this helped you a lot! :s