Answer:
the shape
Explanation:
If it’s round it would be animal and if it’s square-like it would be plant cell. Hope this helps!
Answer: hydrogen
Explanation:
Two elements make up the overwhelming majority of the sun's matter, by mass: hydrogen (about 70 percent) and helium (about 28 percent).
Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs
It gets its nourishment from its mother. The human embryo is connected to its mother by a placenta through which materials are passed.
