| A | B |
|---|
| homeostasis | The maintenance of a stable internal environment is called ___. |
| tissue | A group of similar cells working together forms a ___. |
| organ | Two or more tissues working together form an ___. |
| organ system | Organs working together make up an ___. |
| epithelial tissue | This type of tissue covers and protects underlying tissue. |
| nervous tissue | This type of tissue sends electrical signals through the body. |
| muscle tissue | This type of tissue is made of cells that can contract and relax to produce movement. |
| connective tissue | This type of tissue joins, supports, protects, insulates, nourishes, and cushions organs. |
| integumentary | The ___ system is made up of the hair, skin and nails, and protects underlying tissue. |
| muscular | The ___ system's main function is movement. |
| skeletal | The ___ system provides a fram to support and protect body parts. |
| cardiovascular | The ___ system pumps blood through your blood vessels. |
| respiratory | The ___ system absorbs oxygen and releases carbon dioxide. |
| urinary | The ___ system removes wastes from the blood and regulates the body's fluids. |
| reproductive | The ___ system produces sperm (in the male) and produces eggs (in the female). |
| nervous | The ___ system sends and receives electrical messages throughout the body. |
| digestive | The ___ system breaks down the food you eat into nutrients that can be absorbed into your body. |
| endocrine | The ___ system regulates body functions by sending out chemical messengers (hormones). |
| compact bone | If the bone tissue does not have any visible open spaces, it is called ___. |
| spongy bone | Bone tissue taht has many open spaces is called ___. |
| cartilage | Most bones start out as a soft, flexible tissue called ___. |
| joint | The place where two or more bones meet is called a ___. |
| ligament | Joints are kept together with strong elastic bands of connective tissue called ___. |
| marrow | Bones contain a soft tissue called ___, which produces red blood cells. |
| sliding | This type of joint is found in the hand, and allows the bones to glide over one another. |
| hinge | This joint allows movement back and forth (like a door) and is found in the jaw, elbow, knee and fingers. |
| ball and socket | This type of joint allows movement in all directions, like a joystick. It is found in the shoulder. |
| fixed | This joint is found in the skull, and is immovable. |
| smooth | ___ muscle is found in the digestive tract and the blood vessels. |
| cardiac | ___ muscle is found only in the heart. |
| skeletal | ___ muscles are attached to your bones for movement, adn they help protect your inner organs. |
| tendon | Strands of tough connective tissue called ___ connect your skeletal muscles to your bones. |
| flexor | If a muscle bends part of your body, then that muscle is called a ___. |
| extensor | If the muscle straightens part of your body, then it is called an ___. |
| voluntary | Actions like jumping, wavind and standing up are under your control, so they are ___. |
| involuntary | Actions like your heart beating and your food being pushed through your digestive system are not under your control, so they are ___. |
| anabolic steroids | ___ are powerful chemicals that resemble testosterone, a male sex hormone. |
| muscle strain | a pulled muscle caused by overstretching |
| resistance | ___ exercise develops the size and strength of the skeletal muscles |
| aerobic | ___ exercise strengthens the heart while increasing the endurance of your skeletal muscles |
| tendinitis | When a damaged tendon becomes hot and inflamed as your body tries to repair it, you develop ___. |
