Microtubule structures that help separate the chromosomes during mitosis

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Why is a mushroom considered a heterotroph

Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports