Specialised Cells

Question 1

Function of the nerve cell

Answer 1

Carries electrical impulses from one place to another

Question 2

Adaptations of the nerve cell

Answer 2

Axon (long part) : insulated by fatty sheath increasing the speed along the neuron
Thin: can carry many messages quickly around the body

Question 3

Function of red blood cells

Answer 3

Deliver oxygen around the body

Question 4

Adaptations of red blood cells

Answer 4

Small and flexible: can fit through the capillaries
No nucleus: space filled with haemoglobin

Question 5

Ciliated Epithelium function

Answer 5

Push and waft mucus

Question 6

Adaptation of cilated epithelium

Answer 6

Have scilia which waft mucus

Question 7

Sperm cell function

Answer 7

Fertilise the egg

Question 8

Sperm cell adaptations

Answer 8

• tail, helps it to travel to the egg
• lots of mitochondria - provides energy to get to the egg

Question 9

Egg cell function

Answer 9

Generate a new individual

Question 10

Egg cell adaptations

Answer 10

• cytoplasm which contains nutrients for the growth of an early embryo
• cell membrane which prevents the cell from being fertilised by multiple sperms

Question 11

Root hair cell functions

Answer 11

Absorb water from the soil

Question 12

Root hair cell adaptations

Answer 12

• large surface area- increases rate of absorption
• contain lots of mitochondria- provide energy for active transport