Option C. It builds up a higher level of oxygen in the blood.
At rest, the heart pumps out about 5,000mL/min of blood. This is called the cardiac output. One can say that, at rest, the total systemic blood flow throughout the body is about 5L/min. At the extreme level of activity the heart pumps much harder and faster and is usually able to quintuple its output to about 25L/min of blood flow. This amount applies to the right side of the heart, which pumps blood to the lungs so it can pick up oxygen and drop off Carbon dioxide, and the left side of the heart that pumps it to the rest of the organs and tissues of the body.
Answer:
They provide a weight-bearing workout.
Explanation:
Free weight are normally used in exercises. It is quite different from weight machines as it can be used to perform any movement. It also helps to work on weaker parts of the body to become stronger through continual focus.
The weight machines are however known to be safer and the free weight provides a weight-bearing workout because it can be moved in different directions and positions.
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The reproductive cells in females are called eggs. The functions of the female reproductive stem are to produce sex hormones, to provide eggs and to provide a nourishing environment in which a fertilized egg is developed into a baby.
OVARIES The reproductive glands in which eggs are produced are called ovaries.
FALLOPIAN TUBES These are passageways that carry eggs way from the ovaries.
UTERUS This is a solid muscular pear shaped organ. A fertilized egg can develop and grow in the uterus.
VAGINA This is known as the birth canal. This is a hollow muscular passage that leads from the uterus to the outside of the body.
