xjdjsisi

13.02.2020 • 

Biology

The three structural features of the small intestine that increase its surface area are the , the villi, and the microvilli. 2. The finger-like projections that cover the circular folds of the small intestine and contribute to the increased surface area of the small intestine are called . 3. The absorptive cells that line the wall of the intestine are called . 4. The hair-like projections that cover the surface of an enterocyte and contribute to the increased surface area of the small intestine are called . 5. The collective term for the carpet of microvilli that covers the enterocytes of the small intestine is the . 6. Each villus contains a lymphatic vessel called a that absorbs fat-soluble nutrients into the lymph fluid. 7. The tiny blood vessels located in each villus that absorb water-soluble nutrients into the bloodstream are . 8. The first section of small intestine, receiving chyme from the stomach, is called the . 9. The middle portion of the small intestine is called the . 10. The last portion, or segment, of the small intestine is called the .

Ответ:

lizzie3545

31.08.2020

Biology

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Germination occurs when plants, both angiosperms and gymnosperms prodce seeds or spores respectively.

Seeds or spores are used by plants to reproduce. These structures settle on th ground and later on give way to plants.

→ The image below shows you the germination of angiosperms.

Hope it helped,

BioTeacher101

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