Which of the following is the function of respiratory system? A. Absorption of nutrients B. Transport oxygen C. Gas exchange D. Skeletal support
jxxeyca
Asked:
January 2023
6. Which of the following statements is NOT part of exhalation? A. The ribcage contracts inward B. The volume of the chest cavity decreases C. The diaphragm contracts and pulls downward D. The pressure within the chest cavity increases
jxxeyca
Asked:
December 2022
All of the following are true about human circulatory system except ____. A. Heart rate changes in response to our physical activity B. White blood cells help fight microbes that may cause diseases C. Veins have thinner walls than arteries D. The atria pumps blood out of the heart
Does atria pump blood out of the heart?
jxxeyca
Asked:
December 2022
The main sources of ocean pollution are A. plastics, volcanic ashes, nitric oxide B. detergent, nitric oxide, oil C. oil, ozone, methane D. petroleum, oil, detergent