Question

ook at the diagrams.

Information
Five diagrams.Short description, Five diagrams.,Long description,
Five diagrams are labeled A through E:

Diagram A: nested circles from inside to outside: heart, muscle, circulatory, cardiac muscle cell.
Diagram B: nested circles from inside to outside: cardiac muscle cell, heart muscle, heart, circulatory.
Diagram C: nested circles from inside to outside: heart muscle, cardiac muscle cell, circulatory, heart.
Diagram D: nested circles from inside to outside: circulatory, heart, heart muscle, cardiac muscle cell.
Diagram E: nested circles from inside to outside: cardiac muscle cell, heart, heart muscle, circulatory.

Question
Which diagram represents the correct relationship between organs, cells, tissues, and organ systems?

Answer options with 5 options
A.
diagram A

D.
diagram D

B.
diagram B

E.
diagram E

C.
diagram C

Answer 1

How do enzymes allow chemical reactions to occur at body temperature?

Answer options with 4 options
A.
by increasing the rate of reaction

B.
by producing the products of the reaction

C.
by releasing heat energy required for the reaction

D.
by lowering the activation energy to start the reaction

Answer 2

The correct answer is B. Diagram B represents the correct relationship between organs, cells, tissues, and organ systems.

Answer 3

The correct answer is D. Enzymes allow chemical reactions to occur at body temperature by lowering the activation energy required to start the reaction.