Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
The stretching of the wrists in circle to stretch out is a type of a non-locomotive motion which is a motion that does not require displacement in the place. In this case,the stretching of the hands is a movement to combat repititive stress in typing the keyboard in this case
Physical training that involves lifting weights for resistance.
Answer:
The correct answer is option ( B )
Explanation:
A biomolecule is a chemical compound found in living organisms. These include chemicals that are composed of mainly carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus. Biomolecules are the building blocks of life and perform important functions in living organisms.
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