Answer:
y chromosome is responsible to determined the sex of the child
x chromosome don't determined the Sex of the child
Creatine kinase (CK) is an enzyme found in the heart, brain, skeletal muscle, and other tissues. Increased amounts of CK are released into the blood when there is muscle damage. This test measures the amount of creatine kinase in the blood.
Answer: true
Explanation: it’s like asking if doing jumping jacks is a exercise. Walking helps you a lot and it also helps me stay active
