Human Body Systems Overview

Skin

The skeletal system forms the physical foundation of the body, consisting of the bones and movable and immovable joints.

Muscles cover, shape, and support the skeletal tissue, and they contract and move various parts of the human body.

<p>The nervous system carries messages through the central nervous system, controlling and coordinating bodily functions.</p> Signup and view all the answers

<p>The circulatory system controls the steady delivery of the blood through the body and works with the lymphatic channels.</p> Signup and view all the answers

<p>The immune/lymphatic system protects the body from disease by developing resistances and destroying disease-causing toxins, foreign material, and bacteria.</p> Signup and view all the answers

<p>The endocrine system affects growth, development, sexual activities, and normal regulatory processes of the body.</p> Signup and view all the answers

<p>The reproductive system performs the function of producing children and passing on our genetics from one generation to another.</p> Signup and view all the answers

<p>The respiratory system enables breathing, supplies the body with oxygen, and eliminates carbon dioxide as a waste product.</p> Signup and view all the answers

<p>The digestive system breaks down food into smaller and smaller particles to absorb nutrients or for excretion.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>Mitochondria take in nutrients, break them down, and create energy for the cell.</p> Signup and view all the answers

<p>The cell membrane encloses the protoplasm and permits soluble substances to enter and leave.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>Metabolism is a chemical process that takes place in living organisms and converts nutrients to energy for the cell to function.</p> Signup and view all the answers

<p>The four main types of tissue in the human body are connective tissue, epithelial tissue, muscle tissue, and nerve tissue.</p> Signup and view all the answers

<p>Connective tissue supports, protects, and binds together other tissues of the body.</p> Signup and view all the answers

<p>Epithelial tissue provides a protective lining on cavities of the body and surfaces of organs.</p> Signup and view all the answers

<p>Muscle tissue contracts and moves the various parts of the body.</p> Signup and view all the answers

<p>The five accessory organs to the skin are hair, nails, sweat glands, sebaceous glands, and sensory receptors.</p> Signup and view all the answers

<p>The protoplasm of the cell.</p> Signup and view all the answers

<p>Deoxyribonucleic acid (DNA) is found in the nucleus of the cell.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>Selectively permeable refers to the cell membrane's ability to differentiate between different types of molecules, allowing some molecules through while blocking others.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>Organs become capable of performing the complex tasks necessary for life.</p> Signup and view all the answers

<p>Two or more tissues combine together to build an organ.</p> Signup and view all the answers