BIO 2.9 Specialized Cells Flashcards
Red Blood Cells
Contains hemoglobin (pigment) for the transportation of oxygen in the blood.
- smooth, donut shaped cell lacking nucleus
Goblet Cells
Help keep dirt out of the lungs.
- Secret mucous to trap dirt and have cilia (hair like extensions) to help move it out of the respiratory system.
Muscle Cells
Attached to bones, these cells contract to allow movement.
- arranged in bundle called fibres
Fat Cells
Contains a large vacuole for storage of chemical energy.
White Blood Cells
Can move to engulf bacteria and fight infection.
Skin Cells
Covers outside of the body to protect internal cells and reduce
water loss.
- layered tightly together
Bone Cells
Collect calcium from food and build upon itself to create the body’s skeleton.
Sperm Cells
Move independently to carry DNA from the male parent to join with an egg cell from the female parent.
Nerve Cells
Conduct electrical impulses to coordinate body activity.
- long, thin cell with many branches
Photophores
Cells that can emit light