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Body Systems
| Question | Answer |
|---|---|
| Function | What something does |
| Structure | How it's made |
| Skeletal System | bones, ligaments, tendons ; helps with structure and support |
| Circulatory System | heqart, blood, blood vessels ; made to carry nutrients and waste |
| Nervous Systen | brain, nerves ; control center |
| Digestive System | mouth to anus ; made to get nutrients from food |
| Respiratory System | lings bronchi ; Gas exchange |
| Immune System | white blood cells, lymph nodes ; they protect against foreign invaders. |
| Muscular System | muscles, tendons ; movement |
| Reproductive System | allows species to reproduce + continue |
| Excretory System | skin, bladder ; cleans blood |
| Endocrine System | glands + hormones ; keeps everything in balance |
| Integument System | hair, skin, nails, teeth ; protection |
| Nerve Cells are called | Neurons |
| Sensory Neurons | bring in info from the environment |
| Inter neuron | is in the brain or the spinal cord and connects sensory with motor neurons |
| Motor Neurons | carry info from brain or spinal cord back to the body for a reaction |
| Cerebrum | think, emotions, learning, make decisions. |
| Cerebellum | located on the back of the brain, underneath the cerebrum, coordinate body movements |
| Brian Stem | controls all auto body functions like blinking, breathing, digesting food etc. |
| Mechanical Digestion | involves chewing and churning food ; occurs in mouth + stomach |
| Chemical Digestion | happens when enzymes break down food to get nutrients out-occurs in mouth stomach + small int. |
| Organs | mouth (teeth, tongue, salivary glands), esophagus, stomach, liver, gallbladder, pancreas, small intestine, large intestine (colon) |
| Pathway for food | mouth > esophagus > stomach > small intestine > large intestine > anus |
| Bone | a living tissue made from bone cells (ostocytes) surrounded by materials |
| Functions | -Support and movement of body -Protects internal organs -Maintain calcium balance |
| Types of blood | RBC's (Red blood cells) WBC's (White blood cells) Platelets : help blood not to clot |
| How many bones are you born with? | 300 |
| How many bones do you have as adults? | 206 |
| Calcium | The mineral that keeps bones hard |
| Tendons | Attach muscles to bones |
| Ligaments | Connect bones to bones |
| Types of mussels | 1. Skeletal - attach to our bones so that we can move> voluntary 2. Cardiac - only in heart > involuntary 3. Smooth - found in our internal organs > involuntary |
| Joint | where two bones meet and muscles often attach |
Created by:
jbruce
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