A.
The endurance of an athlete is dependent on his or her body's ability to uptake oxygen efficiently, a task carried out by the red blood cells.
Answer:
Writers often use conjunctions in speech without realizing it. In writing, they can be effectively used in lieu of starting a new sentence.
Explanation:
Thyroid nodule produces the hormones that change your voice
Answer:
Yes, certain kinds of shoes can.
Explanation:
There can be heavier shoes which can force you to exert more energy and develop your muscles faster.
