Answer:
it is frictional force
Explanation:
this force exists everywhere outside the world of sports. its opposes the motion of one body over the other.
Answer:
Extreme weight loss or not making expected developmental weight gains
Explanation:
Explanation:
Physiological principles: it is a low impact activity, as well as canoeing. It can significantly improve one’s aerobic fitness, strength and flexibility. Some of the health benefits: improved cardiovascular system, muscular strength and others.
Bio mechanical principles: it is a typical speed competitive event. It’s usually based on technique and strength. Experts say that after a few years, they have not noticed any big differences.
Answer:
C) absorption; villi, blood vessels, lymphatic vessels
Explanation:
The villi are many small folds in the intestine (0.5 to 1.6 mm in length) that increase the surface area and thus maximize the absorption of foods. The villi transport nutrients from food to the capillaries and lymphatic vessels which are found close to its surface. The blood vessels support the tissues of the small intestine and they required to transport the nutrients to the body. Moreover, the lymphatic vessels are involved in nutrient absorption by returning the interstitial fluid to the bloodstream.
