: II. Select the correct option from the list and fill in the blanks:
superior vena cava, erythrocytes, transpiration, AB, thrombocytes, sphincter, live
1. Platelets are also known as

2. The blood group
is a universal recipient.
3,
is the largest blood vessel in the body.
4. A ring of a muscle called
surrounds the top of the urethra.
5.
converts amino acids into ammonia and urea.
6.
helps plants in keeping cool during summers.​

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

i don't understand. explain it clearly

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.