Edexcel OLevel Biology revision notes

Your Progress: 96 of 217 (44%)

Lesson

Lesson-2.9.7- describe how nervous and hormonal communication control responses and understand the differences between the two systems.

No content available for this lesson.

Lesson-2.9.6- understand the role of auxin in the phototropic response of stems.Previous Lesson-2.9.8- understand that the central nervous system consists of the brain and spinal cord and is linked to sense organs by nerves.Next