HELP!! I’ll mark the brainiest! Please for a test

its C reaction rate increase with increasing enzyme concentration.

Explanation:

c

Explanation:

the third one since The correlation is the increased concentration of enzymes cause the rate of activity to increase

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.