Answer:
I think its the third one.
Explanation:
The mitochondria produces energy and respiration takes place there,so it cant be that.
I hope this helps in any way.
Answer:
Villus, plural villi, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. ... The villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions.
The level of phospholipid organzation to arrange themselves into to parallel layers.
before u a lab u should tie loose hair back, and know the locations of all exits
By mass
The liver
In general
The skin
