cell diversity

• types of cells in the body: epithelial, muscle, nerve, connective, and blood
• what is a tissue?

  A group of cells that perform a specific function.
• types of plant tissue?

  Meristematic, Epidermal, Ground, Vascular
• dermal tissue is found covering leaves, stems and roots
• what is the function of dermal tissue?

  protects plants
• xylem transports water and minerals through the plant
• phloem transports food from leaves to the other parts of the plant.
• main types of animal tissue?

  epithelial, muscle, connective, and nervous tissue
• connective tissue connects and supports other tissues and organs
• example of connective tissue?

  cartilage, bone, and blood
• nervous tissue is composed of nerve cells called neurons
• function of nervous tissue?

  carry electrical impulses to and from brain and spinal cord
• what is an organ?

  a group of tissues working together to carry out one or more functions
• examples of plant organs?

  Roots, stems, leaves, flowers, fruits, and seeds.
• examples of animal organs?

  Heart, lungs, liver, kidneys, brain, stomach, intestines, skin.
• a system is a group of organs working together to carry out one or more functions
• examples of animal systems?

  Digestive system, respiratory system, circulatory system, nervous system, skeletal system, muscular system, reproductive system, excretory system.