All of the above is the answer
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
Answer:
A.
Explanation:
cool . . this that correct.
<span>Safety precautions:
- Use gloves of the proper material
- Use safety goggles
- Lab coat that
- Know where the safety equipment is located</span>
Lab apparatus:
A mass balance
100ml beaker
