Answer:
Blood vessels
Explanation:
It is returned to the heart in the veins. The capillaries connect the two types of blood vessel and molecules are exchanged between the blood and the cells across their walls.
It's not cilia because cilia found in nearly all the cells in the body.
It's not mitochondria; those are found in liver cells and others.
It's not lysosomes because those function as the digestive system in the cell.
That means the answer is flagella
Sperm are the only human cells to have flagella.
<span> Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.</span>
Answer:
The kind of muscle contraction that occurs when you try to lift a box but it's to heavy and it can't be moved from the floor is called: Isometric Contraction.
Explanation:
Isometric contraction consists of having a muscle activated but to maintain it at a constant length, instead of shorten or lengthen it.
Answer:
The gas giant with most moons is jupiter
Titan orbits around Saturn
The astronauts can found 3 concentric orbits of 13 inner moons and 5 major moons.
And it has 9 irregular moons.
So the inner moons are Cornelia, mohelia, Bianca and cressida.
Because the mass of sun can pulls it.
And it can prevent it from escaping because of gravity.
It can moves around a sun. It is a circular orbit.