Question

Which two systems work together to provide oxygen when you are fast running in a race? *
a.Muscle system and Skeletal system
b.Circulatory system and Respiratory system
c.Circulatory system and Bones
d.Digestive system and Femur

Answer 1

it is thr circulatory systrm and rispitatory system

Answer 2

ANSWER: B - Circulatory system and Respiratory system.

EXPLANATION:

The endocrine system releases hormones that cause the heart to beat faster to deliver more oxygen through the circulatory system to muscles. The muscular system and skeletal system interact to run away from danger.