Answer:
2 materials are exchanged between fetal and maternla blood
Explanation:
i just took this test and this was correct
Answer:
Tight or occluding junctions This type of junction is also called zonula occludens and is the most apical structure in the epithelial cell. Zonula occludens describes, that there is a formed band of tight junctions which encircles every cell.
Explanation:
A community interaction would be correct!
A community is when multiple populations interact with each other, in this case the dolphins and fish.
Answer:Blood
Explanation:Bones contain bone marrow. Red and white blood cells are produced in the bone marrow. Protects and supports organs: Your skull shields your brain, your ribs protect your heart and lungs, and your backbone protects your spine.
