Answer:
absorb vitamins (especially Vitamin K)
Explanation:
The large intestine also helps in absorption of vitamins made by bacteria that normally live in the large intestine. These are friendly bacteria called commensal bacteria. There are over 700 species of bacteria that perform a variety of functions.
Bacteria in the large intestine also make some important substances, such as vitamin K, which plays an important role in blood clotting.
The carry the deoxygenated blood from the heart to the lungs and Pulmonary veins do the opposite!
Answer:
Explanation:
The ball-and-stick model cannot show the actual size of the atoms depicted in the model. You also cannot see the actual bond lengths between the atoms.
True, a protein is made up of amino acids. These amino acids form chains to become a protein, and are combinations of 20 different types in total.