A. Is the right answer.
Here is a diagram of blood flow
Blood is responsible for transportation of Oxygen in body which is the part of Cardiovascular system.
therefore, correct choice is :
- D.) Cardiovascular system
The forearms and lower legs each contain two bones running roughly parallel to each other. In the forearms, these two bones are the radius and ulna, and in the lower legs, these two bones are the tibia (the shinbone) and fibula.
The radius corresponds to the tibia and the ulna to the fibula.
Answer:
Your A
answer is: C. <em>To </em><em>maintain</em><em> </em><em>normal </em><em>heart </em><em>rhythm</em>
Explanation:
A pacemaker signals the heart to beat when the heartbeat is too slow or irregular. A pulse generator is a small metal case that contains electronic circuitry with a small computer and a battery that regulate the impulses sent to the heart.
Answer:
<h3>B. In order for a fitness program to be fully effective, exercises that address all fitness components - cardio endurance, resistance training, and flexibility - must be incorporated on a regular basis. Focusing on just one of these components will hurt performance in other areas.</h3>
Explanation:
The Balance Principle in Sport refer to diversity. It dictates that all routines must be well proportion in order to achieve improvement.
Also, the balance principle dictates that the right mix of training activities are requires for optimal result. That is, have a good nutrition, workout each component to improve at almost every area like endurance, strength and flexibility.
It's important to say that the principle of balance also requires not going to extreme points, because can easily injure different parts of the body, due to its diversity.
