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science test prep
| Question | Answer |
|---|---|
| There are two parts to respiration | Inhale and Exhale |
| Inhale | When the diaphram muscle contracts, moving down and causing the lungs to expand |
| Exhale | When the diaphram relaxes, air moves out through the mouth automatically |
| Parts of the blood | White Blood Cells, Red Blood Cells, Plasma and Platelets |
| What do White Blood Cells do | They fight bacteria and viruses, and are made in the bone marrow |
| What does Plasma do | Its parts of the blood that carries nutrients, minerals, oxygen to cells and carries waste away and they are mainly watery |
| What do Red Blood Cells do | These cells carry oxygen to blood cells using a iron-containing protein called hemoglobin and they are made in the bone marrow |
| What do Platelets do | They are 1% cell fragments that help the process of clotting |
| What are some major organs in/with/next to the bone | Periosteum, Compact Bone, Cancellous Bone and the Marrow |
| What does the Periosteum do | Its a thin membrane that covers and protects and it contains blood vessels and nerves |
| What does the Compact Bone do | Its a hard bone that provides structure to bones |
| What does the Cancellous Bone do | Its a porous bone (aka the spongy bone) and it contains blood vessels and marrow |
| What does the Marrow do | The Marrow has a soft, jelly like center of bones. It has 2 types: Yellow, which produces fat cell, cartilage, and bone |
| Important parts in/with/next to the bone | Joint, Cartilage, Ligament and Tendon |
| What is the Joint | It is any place where two or more bones come together |
| What is the Cartilage | It is a rubbery connective tissue that cushions bones located in the joint |
| What is the Ligament | It is the connective tissue that attaches bone to bonw |
| What is the Tendon | Its a strong connective tissue that attaches muscle to the bone |