Why is the left wall of the heart have a thicker layer of muscle than the right side?
A. To stop the blood flowing backwards
B. To push the blood with more force at high pressure so it goes to all body cells.
C. To push the blood at high pressure to the lungs.
Select your answer:
Topics:
Reproductive System Vocabulary History of Medicine Cardiac & Diseases of Blood Flow Psychiatry Anatomy: Muscle Eye or Nose Injuries The Microbial World Structures and Functions of Living Organisms and Genetics Hematology in Veterinary Medicine Nutrition and Biochemistry Vocabulary Biotechnology and Genetic Engineering Respiratory Regulation of Heart Rate Covid-19 Heart Structure and Double CirculationOther quiz:
RDA Dental Caries › ViewWhat is the main cause of tooth decay?
A. presence of saliva
B. position of the tooth
C. presence of plaque
D. size of the tooth
Brain and Nervous System › View
Which of the following statements is correct?
A. The brain at birth weighs about 2 kilograms, has four protective features and is small in size in proportion to our body.
B. The brain has deep wrinkles, sends thousands of messages a second and has 6 lobes.
C. he brain has 4 lobes, a left and right hemisphere and an adult human brain weighs about 1.5 kilograms.
D. The brain has a protective layer called the meninges, it is smooth and all messages are sent through the occipital lobe.