Which of the following is NOT a good exercise for the lower body?
A hip flexor
B. spine stretch
C. calf stretch
D. hamstring stretch

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein.b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid.c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane.d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.

Which is the term used for a drug that increases the activity of the nervous system

Give an example of how not to miss meals of the days wen you have to much stuff to do?