Mark has been participating in a vigorous exercise routine for the past three months. however, around the start of the third month, he noticed he stopped making gains in his strength and cardiovascular endurance. recommend two suggestions to mark that would allow him to continue to improve his strength.

the aorta is the large artery leaving the heart branches into smaller arteries, which eventually branch into capillaries.the arteries carry oxygen and nutrients away from your heart, to your body's tissues. the capillaries are small, thin blood vessels that connect the arteries and the veins. the statement that arteries carry oxygen-rich blood to capillaries is true. veins on the other hand are blood vessels that take oxygen-poor blood back to the heart.