Answer:
Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. ... There, the food is churned into a liquid mixture called chyme that moves into the small intestine where peristalsis continues. Stretching out a piece of intestine will make it easier to see the wave-like motion
Arrow a should point to muscle tissue, arrow B should point to an organ, arrow c should point to organ system.
The color of beef is determined by myoglobin because these cells are actually responsible for transporting oxygen-rich molecules to the the tissues of the animal. This characteristic gives it the color that it has and is very abundant in large organisms like cattles.
Answer:
Principalele vase care intră în atriul drept sunt vena cavă superioară și vena cavă inferioară. Acestea sunt principalele vase care returnează sângele din circulația sistemică înapoi în inimă.
Explanation:
Answer:yes
Explanation:natural selection does produce a change in individuals as well as populations. Explanation: Natural selection is a process through which mother nature screens for the organisms that are best adapted to survive in a habitat.
