One hand flat on top of another flat hand with the finger alternating
Answer:
Muscular contractions are the mechanism that allow an individual, animal, or human, to move its body, move the food in its digestive system, or a host of other activities. The contraction shortens the muscle which moves the rigid structures, bones, to which they are attached.
Explanation:
Answer: b. Carry on a conversation
Explanation:
There are different levels of intensity when exercising and these require different energy levels and different amounts of air coming into the lungs.
The CDC notes that if you are exercising at a moderate level, the energy and oxygen requirements will not be as high so you can be able to talk to other people without being short of breath from needing more of the oxygen and energy that is being used in the talking.
Answer:
Type AB positive blood is the universal acceptor because it has both A and B antigen.
Explanation:
O- their RBCs do not have any A, B or Rh antigens and are safe for the transfusion to any blood group. O- and AB+ are known as universal donors and universal acceptors.
