When Jacob starts running, his legs move faster and his heart rate increases. Which types of muscles are involved in these changes?
A. Skeletal muscles control his leg movement and smooth muscles control his heart rate.
B. Skeletal muscles control his leg movement and cardiac muscles control his heart rate.
C. Smooth muscles control his leg movement and cardiac muscles control his heart rate.
D. Skeletal muscles control both his leg movement and heart rate.
Select your answer:
Topics:
Axial & Appendicular Skeleton Human Body Entomology Virus, Bacteria, Immunity Transplantation Immunology Medication Administration Sarcomere Anatomy Ear/Eye Medical Terms How the Eyes work The Circulatory System Cell Structure and Functions Weight Management Nail Disorders and Diseases Reproduction in Human Beings Disease CardsOther quiz:
Anatomy - Cellular Respiration › ViewWhich of the following best describes photosynthesis?
A. Photosynthesis converts radiant energy into chemical energy.
B. Photosynthesis produces carbohydrates.
C. Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
D. Plants use chlorophyll, water, and carbon dioxide to make sugar.
Heart Anatomy › View
Name this part.
A. Right ventricle
B. Pulmonary artery
C. Left ventricle
D. Right atrium