Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Explanation:
hope this helps...
and if u didn't get it its veins...
Why is it important to have safety while doing physical activity?
- Overview. Practicing exercise safety helps optimize the health benefits of a fitness routine.
- When planning an exercise program, it's important to consider factors such as age and health history as well as personal strength and stamina.
<h3> Five ways to incorporate safety while being active -</h3>
- Use safety equipment.
- Warm up to your workout.
- Drink plenty of fluids when you are physically active, even if you are not thirsty.
- Always bend forward from the hips, not the waist.
- Stop being active if you feel very out of breath, dizzy, or nauseated or have pain.
Learn more about being active
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They could make a matrial that wolnt rust, and that will not wear down/ break
Answer:
C. "you haven't dilated any further, but hang in there; it will happen eventually
Explanation:
