Biology Week 18 Chapter 21 & 22

Made up of cells that form the body's structure, examples include bone and cartilage.

• connective tissue

• epithelial tissue

• muscle tissue

• nervous tissue

Made up of cells that line the inner and outer body surfaces, protects body and its internal organs, secretes substances such as hormones, and absorbs substances such as nutrients

• nervous tissue

• melanin

• epithelial tissue

• dermis

Made up of cells that can contract and give the body the ability to move

• nervous tissue

• muscle tissue

• melanin

• epidermis

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Made up of neurons, or nerve cells, that carry electrical messages, make up the brain and other nervous tissues

• connective tissue

• epithelial tissue

• nervous tissue

• melanin

Brownish pigment that gives skin much of its color

• connective tissue

• epithelial tissue

• melanin

• epidermis

Outer layer of skin, consisting of epithelial cells

• spinal cord

• epidermis

• neuron

• nervous system

Tags

NGSS.HS-LS1-4

Lower layer of the skin, located directly beneath the epidermis

• dermis

• spinal cord

• neuron

• nervous system

Thin tubular bundle of nervous tissue that extends from the brainstem and continues down the center of the back to the pelvis, protected by vertebrae

• dermis

• neuron

• spinal cord

• nervous system

Structural and functional units of the nervous system, transmit electrical impulses

• neuron

• nervous system

• brain

• epidermis

Complex network of nervous tissue that carries electrical messages through the body

• nervous system

• brain

• dendrite

• nerve