U3 Nervous system: Differences between the nervous and encodrine systems

Question 1

Nature of message

Answer 1

Nervous system:
- Electrical impulses and neurotransmitters

Endocrine system:
- Hormones

Question 2

Transport of message

Answer 2

Nervous system:
- Along the membrane of neurons via nerve impulse

Endocrine system:
- Chemically via the bloodstream

Question 3

Cells affected

Answer 3

Nervous system:
- Muscle cells and gland cells, and other neurons

Endocrine system:
- All body cells

Question 4

Type of response

Answer 4

Nervous system:
- Usually local and specific

Endocrine system:
- Usually general and widespread

Question 5

Nature of response

Answer 5

Nervous system:
- Voluntary or involuntary

Endocrine system:
- Involuntary

Question 6

Number of effectors

Answer 6

Nervous system:
- Single body part

Endocrine system:
- Single body part of many body parts simultaneously

Question 7

Effect on growth

Answer 7

Nervous system:
- None

Endocrine system:
- Can effect growth

Question 8

Changes to specific chemicals

Answer 8

Nervous system:
- Doesn’t influence chemical changes

Endocrine system:
- Can cause specific chemical changes

Question 9

Effect on metabolism

Answer 9

Nervous system:
- Doesn’t regulate metabolism

Endocrine system:
- Regulates metabolism