sábado, 11 de junio de 2011

Nutrition

Nutrients: are the chemical in food that cells need.


Nutrition: the study of the nutrients and how your body uses them.


Proteins: are nutrients that are used to build and repair body parts.


Fats: are nutrients that are used as a source of energy by your body.


Carboohydrates: are nutrientsnthat also supply you with energy.


Vitamins: are chemical compounds needed in a very small amount for growth and tissue repair of  th body.


Recommended Daily Allowance: is the amount of each vitamin and mineral a person need each day to stay in good health.


Percent Daily Value: is the percent of nutrients found in one serving of food compared to 100%.


Minerlas: are nutrients needed to help fron different cell parts.


Balanced Diet: is a diet with the right amount of each nutrient.


Calorie: is a measure of the energy in food.

domingo, 5 de junio de 2011

Complex Animlas

Jointed-leg animal: is an inveterbrate with an outside skeleton, bilateral symmetry, and jointed appendages.


Appendage: is a structure that grows out of an animal´s body.


Exoskeleton: is an skeleton in the outside body.


Molting: shedding the exoskeleton.


Antennae: are appendage of the head that are used for sensing smell and touch.


Compound Eyes: are eyes with many lenses.


Spiny-Skin Animal: is an invertebrate with a five part body design, radial symmetry, and spines.


Tube Feet: are parts like suction cups that help the starfish move, attach to the rocks, and get food.


Chordate: is an animal that, at some time in its life, has tough, flexible rod along back.


Endoskeleton: is a skeleton inside of the body.


Cold-blooded: means having a body temperature that changes with the temperature of the surroundings.


Gill: is a srtucture used to breathe in water.


Jawless fish: are fish that have no jaws and are not coverd with scales.


Cartilage: is a tough, flexible tissue that supports and shapes the body.


Cartilage Fish: are fish which their enterie skeleton is made of cartilage.


Bony Fish: have skeleton made mostly of bones not of cartilage.


Amphibians: is an animal tha lives part of its live in water and another part of its life on land.


Hibernation: the state of being inactive during cold weather.


Reptile: is an animal that has dry, scaly skin and can live on land.


Warm-blooded: means controlling the body temperature so that it says about the same no matter what temperature of the surroundings.


Mammal: is an animal that has hair anf feeds milk to its young.


Mammary glands: are the body parts tha produce milk.

sábado, 21 de mayo de 2011

Simple Animals

Vertebrates: are animals with backbones.

Invertebrates: are animas without backbones.

Symmetry: is the balanced arramgement of body parts around a center point or along a center line.

Sponges: are simple invertabrates that have pores.

Pores: is a small opening.

Stinging-cell animals: are animals with stinging cells and hollow saclike bodies that lack organs.

Tentacles: many stinging cell anoimals havs armlike parts.

Flatworm: are the simplest worms.

Tapeworm: is a kind of flatworm that has a falttened, ribbonlike body divide into sections.

Cyst: is a young worm with a protective covering.

Planarian: is a common freshwater flatworm that is not parasite.

Roundworm: are worms that have long bodies with pointed ends.

Hookworm: is roundworm that is parasite of humans.

Anus: is an opening through which undigested food leaves the body.

Segmented Worms: are worms with bodies divided into sections called segments.

Soft bodied animals: are animlas with soft body that ussually protected by a hard shell.

Mantle: the body is coverd by a thin fleshy tissue.