Answer: D) precapillary sphincters relax.
Explanation:
Blood flow to a tissue will decrease if precapillary sphincters relax as, capillaries provides glucose and oxygen to the cells and allows blood to flow through it when the muscle ring known as the precapillary Sphincters get relaxed. The blood flow is stopped when the precapillary sphincters constrict flow of blood. As, certain chemical signals causes feeder arterioles to dilate and bring more blood into local areas then, it causes precapillary sphincters to relax.
Answer:
This statement is false.
Explanation:
Everything has the potential to cause cancer but it is only a matter of how much is consumed. One would have to exceed many limits in order to be a "major cause" of cancer.
Answer:
E. First premolar and second premolar
Explanation:
First premolar and second premolars because In the cusp-embrasure occlusal relationship, the maxillary first premolar is most likely to articulate with the first and second premolars.
Answer:
100kcal
Explanation:
The law in energy transfer in the food chain is that only 10% of total energy is transferred.
The food chain between the plankton and starfish follows;
Plankton - Mussels and Oysters - Starfishes - Manta Ray
Plankton being the producer produces 100,000kcal
Mussels/Oysters get 10% of 100,000kcal= 10,000kcal.
Starfish gets 10% of 10,000kcal = 1,000kcal
Manta Ray being the final consumer of starfish gets 10% of 1,000kcal = 100kcal
