Why does the heart automatically adjust the flow of blood to match activity levels?
a.
...
Health, 02.12.2019 22:31 dmoore6859
Why does the heart automatically adjust the flow of blood to match activity levels?
a.
extreme activity damages blood cells and the body needs replacements.
b.
the heart requires more oxygen when exercising.
c.
it builds up a higher level of oxygen in the blood.
d.
organs and muscles require more blood under stress.
Answers: 2
Health, 23.06.2019 05:30
Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing
Answers: 1
Health, 23.06.2019 19:00
Match the job descriptions with the job titles. emt hospital patient account representative meeting planner concierge plan and coordinate business events for clients. arrowright determine the treatment plan for people with injuries. arrowright perform housekeeping tasks for guests in hotels. arrowright review patient records and make sure that the information is secure. arrowright
Answers: 2
English, 01.12.2020 07:30
History, 01.12.2020 07:30
Mathematics, 01.12.2020 07:30
Mathematics, 01.12.2020 07:30
Mathematics, 01.12.2020 07:30
Physics, 01.12.2020 07:30
History, 01.12.2020 07:30
Mathematics, 01.12.2020 07:30
Mathematics, 01.12.2020 07:30
English, 01.12.2020 07:30
English, 01.12.2020 07:30