Select all that apply. which parts of the body are significantly strengthened by cardiovascular exercise? heart blood vessels spleen lungs liver skin

The youngest babies change position once every on average. a. 5 minutes b. half hour c. minute d. 10 minutes

Why do farmer's kill animals in a mean way, don't farmer's have feeling's?

Which of the following is characteristic of the lytic cycle? a) viral dna is incorporated into the host genome.b) the viral genome replicates without destroying the host.c) a large number of phages are released at a time.d) the virus—host relationship usually lasts for generations.