7th Grade Science Extensions

Cells of the Human Body

Below you will find a number of cells found in the human body that have unique characteristics to help them perform various jobs in the body. Choose one and describe how it's shape and important organelles help the cell carry out it's job and work with other cells to enable the survival of the entire human body.

Bone Cells

Types of Bone Cells

Biology of Bone Tissue: Structure, Function, and Factors That Influence Bone Cells

Bone cells - Human Anatomy OrgansBone cells - organ included in Skeletal System.

Red Blood Cells

How it's shape helps do its job

red blood cell | Definition, Functions, & Facts

All About Red Blood CellsRed blood cells are blood components that transport oxygen throughout the body. These cells contain millions of oxygen-binding hemoglobin molecules.

Endothelial Cells

What are Endothelial Cells

More About Endothelial Cells

Fat (Adipose) Cells

Physiology of Fat Cells

Adipose cell | biology

How Fat Cells Work

White, Brown and Beige FatAdipose tissue is a type of connective tissue composed of fat storing cells that harvest and utilize the energy in fats.

Gametes

Structure of Male and Female Gametes

How are Sperm Cells Adapted for Its Function

Gamete | biologyGamete: Gamete, sex, or reproductive, cell containing only one set of dissimilar chromosomes, or half the genetic material necessary to form a complete organism (i.e., haploid).

What Is the Function of an Egg Cell?

Gametes: The Building Blocks of Sexual ReproductionGametes are reproductive cells that unite at fertilization to form a new cell called a zygote. Gametes are haploid cells formed by meiosis.

How is an egg cell adapted?Egg cells have adaptations in formation, structure and genetic makeup that enable them to function. Egg cells have similar genetic composition to sperm, but their physical structure and initial...

Muscle Cells

Types of Muscle Cells

Anatomy of Muscle Cells

Cardiac Muscle Structure and Function

Cardiac Muscle Structure and Function 2

The Structure & Function of Muscle Cells

Learn the 3 Types of Muscle Tissue, Cardiac, Skeletal, and SmoothMuscle tissue is the most abundant tissue type in most animals. Learn the three types of muscle tissue in the body, cardiac, smooth, and skeletal muscle.

Smooth muscle | anatomySmooth muscle: Smooth muscle, muscle that shows no cross stripes under microscopic magnification. It consists of narrow spindle-shaped cells with a single, centrally located nucleus. Smooth

Cardiac muscle | anatomyCardiac muscle: null

Nerve Cells

Parts of a Nerve Cell

General Information About Nerve Cells

Overview of Nerves and Nervous system

How Structure Relates to Function

Types of neurons

Know Your Neurons: How to Classify Different Types of Neurons in the Brain's Forest

Skin Cells

How Does the Skin Work

General Background Information

Anatomy of a Skin Cell

The Layers of Skin

Structure of a Skin Cell

White Blood Cells

General Background Information

Types of White Blood Cells

More Description of White Blood Cell Types

What Everyone Should Know About White Blood CellsAlso called leukocytes, white blood cells play an important role in the immune system by protecting the body from infectious agents.

White Blood Cells – Production, Types, Structure, Concentration And Functions

Science in Focus: How Do White Blood Cells Move So Fast?White blood cells called neutrophils race after bacteria at speeds up to a thousand times that of most human cells by moving in a special way. Lillian Fritz-Laylin and Megan Riel-Mehan want to know how that works.

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