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Answer:
One difference between the Rhesus system and the ABO group system is that Rh negative people don't usually possess antibodies against RhD (unless they have been previously exposed to it), whereas in the ABO group system if the antigen is absent from the red blood cells.
Here is the link to read more :)
https://www.mydr.com.au/tests-investigations/blood-typing
Cross country is a skiing muscular endurance because during the spring and the summertime start exercises of general muscular endurance (physical and gymnastic exercises) using a program of lower intensity without weights. Strength training is the kind of exercise that builds healthy muscle tissue. Strong muscles help you to move your body more efficiently, also become more coordinated and better able to perform technical movements.
Typical exercises could be: push-ups (1), bench dips (2), lunges (3), calf raise (4).
I hope i gave you a good understanding good luck!!
