Question | Answer |
Types of tissues | Epithelial, Nervous, Muscle, and Connective |
Epithelial | Protects and supports tissue underneath |
Nervous | Sends electric signals through the body. |
Muscle | Made of cells that can contract and relax to produce movement |
Connective | Joins, Supports, protects, insulates + cushions organs |
Protection | Ribs protect heart+lungs, Vertebrae protects spine |
Storage | Bones can store fat and minerals |
Movement | Muscles pull on bones to produce movement |
Blood Cell Formation | Some bones are filled with a special material that makes blood cells |
Types of joints | Hinge, Sliding, Ball and Socket, Fixed |
Sliding | Allow bones in the hand to glide over one another |
Hinge | The knee allows you to flex+extend your leg |
Ball and Socket | The shoulder allows your arm to move freely |
Fixed | Your skull can't move because bones are fused |
Types of muscles | Smooth, Cardiac, Skeletal |
Smooth | found in the digestive tract+Blood vessels |
Cardiac | Found in the heart |
Skeletal | Found attached to bones |
Ressitance | Exercise requires your muscles to overcome the weight of another object |
Aerobic | Exercise increases the size and strenght of your skeletal muscles somewhat, but it mostly strenghtens your heart and lungs |