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32 Cards in this Set

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Cell

the smallest structural and functional unit of an organism

**** you

Diffusion

The process molecules spread from areas of high concentration,to areas of low concentration

No

Epidermal

(skin) that protects the outside of the plant

No

Epithelial

(Skin) protect the outside of the body and also covers internal structures, such as the intestines

No

Impermeable Cell Membrane

Lets No particles pass

No

Muscle Tissue

Moves parts of the body

No

Organ

groups of similar tissues

No

Osmosis

Water moves from low concentration to areas of high concentration

No

Permeable Cell membrane

Lets all particles pass

No

Perspiration

Sweat

No

Phloem tissue

Conducts water and minerals abosorded by the root cells to every cell in the plant

No

Root hairs

Water enters the root hairs by osmosis

No

Selective Cell Membrane

Only certain particles pass

No

System

Organs form systems to peform activities that help plants and animals function as a whole.

No

Tissue

Groups of similar cells

No

Transperation

the loss of water from a plant through evaporation

Nope

Xylem tissue

in plants, the tissue that conducts water and minerals absorbed by the root cells to every cell in the plant

Nope

Nerve Tissue

carries signals between the Brain and other body parts to co-ordinate activities

Nope

Stomtas

Allow air to enter the leaf

Na

What are 3 examples of specialized cells in the human body

1.Red blood cells


2.Skin Cells


3.Nerve Cells

Functions of specialized cells in the human body

Skin Cells-protects skin from sun rays


Nerve Cells-carries signals through body


Red Blood cell- sends oxygen through body


Advantages of multi-cellular organisms

•live in variety of environments


•can grow large


•lives longer


•works more efficiently

Disadvantages of Multicellular organisms

•needs to eat more


•longer growth to independence


•one organ fails , whole organism fails

Advantages of unicellar organisms

Easier to adapt to temperature changes


•Reproduce quickly


Disadvantages of unicellular organisms

•cannot grow large


•short life-span


•need to live in moisture


levels of organization

Cells → Tissue → Organ → System → organism

Name each type of tissue

Muscle


•Nerve


•Connective


•Epithelial

Name three human organs

Eyes-Mouth-Brain

What two main systems do plants have?

Shoot System-reproduction


Root system- absorbs stores transports


Third system of plant

Reproductive -fruit,flower,seeds

Three examples of animal organs

Lung


Heart


Kidney

Three examples of plant organs

Roots


Stems


Leaves


Flowers