What does a vo2max measurement reveal?
a. the amount of oxygen delivered to body tissues
b. the amount of body fat burned during physical activity
c. the amount of blood that flows through the heart per minute
d. the amount of oxygen that the lungs can hold at full capacity
the answer is a, i got it right

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

Carissa, age 14, having trouble keeping up with all her assignments and when they are due. in addition to that, she struggles to balance school work, chores at home, social life, and playing volleyball. question 1 options: underdeveloped frontal lobe underdeveloped amygdala underdeveloped cerebellum underdeveloped corpus callosum question 2 (5 points) teens are not as adept at interpreting facial expressions and emotions as adults. what is the reason for this? question 2 options: teens use the frontal lobe more than adults which interferes with the use of the other areas of the brain like the amygdala. teens use the amygdala and adults use the frontal lobe to differentiate between similar facial expressions and emotions. adults have a thicker corpus callosum than teens which allows them to use both sides of their brain more efficiently. the lymbic regions of the brain are used more in adulthood than adolescence. question 3 (5 points) the human brain's development is like pruning a tree. as one grows older the unused connections in the brain are removed to make room for new growth. question 3 options: true false question 4 (5 points) michael, age 16, driving his car fast down a curvy road without his headlights on. question 4 options: underdeveloped amygdala underdeveloped cerebellum underdeveloped frontal lobe underdeveloped corpus callosum

John is jogging on a winter day. the outdoor temperature is 31° f. yet his body temperature is 98°f. which term best describes the process causing this difference in temperature?