Answer:
Mainly immune system is made up of whit blood cells. But other compositors are -
- Antibodies
- Complement system
- Lymphatic system
- Bone marrow
- Thymus
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Answer:
The ECG paper speed is ordinarily 25 mm/sec. As a result, each 1 mm (small) horizontal box corresponds to 0.04 second (40 ms), with heavier lines forming larger boxes that include five small boxes and hence represent 0.20 sec (200 ms) intervals.
Explanation:
It's b because it's that hope I help
Answer:
Bronchi.
Explanation:
The trachea leads to the lungs, where it divides into the left and right bronchi.
