Answer:
photosynthesis is the process of making food in the presence of sunlight and water
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They're two different clotting pathways that use different factors. Though, the intrinsic and extrinsic pathways come together at factor X and eventually result in fibrinogen (factor I) being converted into a fibrin clot by prothrombin (factor II).
Extrinsic begins with factor VII and intrinsic begins with factor XII
Answer:
Lymphatic: bacteria invade the body but are removed with the help of cells
Endocrine: A chemical message is signaled to help the body relax and sleep
Nervous: The brain signals for the muscles to contract
Explanation:
Lymphatic system is the part in the body that uses the cells in your body to help it.
The endocrine system is about hormones and how the body needs to maintain stable and have homeostasis.
The brain is part of the nervous system and it sends signals to other parts of the body.
It is 200 million years because it has been around for a long time.