| A | B |
|---|
| What are the most common types of resonses in animals? | movements, caused by effectors in the muscles, secretions, secreted by certain glands |
| What do we call a set of responses that an animal has? | Its behavior. |
| What do we call very different substances which are produced and secreted by certian glands and which act as effectors? | secretions |
| What do we call the response caused by effectors that only animals have which occurs in the muscles? | movements |
| What do we call tissues or organs whose cells are specialized to contract when they receive an order from the coordination systems? | the muscles |
| What do we call the type of cells that muscles have? | muscle fibres |
| When muscles contract what do they produce? | movements |
| Name a muscle that moves internal organs | the heart |
| These are orgrans that produce secretions | glands |
| When these organds receive an order from the coordination systems, they produce substances and secrete them, generally to the exterior environment | glands |
| Name a type of secretion produced by animals | sweat, digestive juices, poison, milk |
