Biology- Cells- Specialised cells

Red blood cell

Carries blood around the body,

Sperm cell

Fertilizes female eggs

Nerve cell

Sends electrical signals to the brain,

Muscle cell

Contracts and relaxes for movement,

Root hair cell

Aids in water absorption for plants,

Xylem cell

Transports water and minerals in plants,

Phloem

Transports food in plants,

Red blood cells / features

• small and flexible to fit into narrow places,

• thin membrane for easier gas absorption (oxygen).

Sperm cells/ features

• features a long tail for swimming and a sharp,

• aerodynamic head for speed and penetration.

nerve cell/ features

• fat around the tail for fast messaging,

• branches to pass messages on.

muscle cell/ features

• many mitochondria for energy,

• quick contraction ability.

root hair cell/ features

• large surface area for water absorption,

• abundant mitochondria for energy production.

xylem cell/ features

• long hollow tubes,

• thin cell membrane for easy water seepage.

phloem cell/ features

• sleeve tubes for transport,

• rounded end on the leaf sleeve.