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Biology Test
| Question | Answer |
|---|---|
| What is the purpose of the tail? | Balancing organ |
| What is the anatomical name for the ears? | Pinnae |
| What is the purpose of the ears? | Sense and Sound |
| Describe the incisors. | Teeth for Bitting |
| Describe the molars. | Teeth for chewing |
| Do incisors continue to grow the lifetime of the rat or do they grow to just one size? | Yes; Through lifetime |
| Do Molars continue to grow the lifetime of the rat or do they grouw to just one size? | No. Only one size |
| What is another name for windpipe? | Trachea |
| What are the two purposes for Diaphram? | 1) Empty or Fill lungs 2) Separate Thoraic and Adominal |
| What holds the small intestines in place? | Mesentary |
| How many mammary papillae do rats tend to have? | 12 |
| Describe the functions of the forelimbs ? | Grasping and Holding |
| Describe the functions of the Hind limbs? | Running, climing and Jumping |
| What is the purpose of the urethral aperture | Release of urninary waste only |
| What is the purpose of the urogential aperture | Release of urninary waste + sperm |
| What two organs do rats have that humans do not have? | Caecun + Uterine horns |
| What is the function of the thymus? | Gland for T-cell develoopment |
| What is the function of the caecum? | Digestion of cellulose in wood |
| What is the function of the spleen? | manufactoring site for white blood cells |
| What is the function of the pancreas | organ secretes insulin + other enzymes. |
| Where are the testes located? | In the Scrotum |
| Describe the difference between the trachea and the esophagus? | Trachea has cartilage rings |
| Where is the anterior portion of the rat? | Towards the head |
| Where is the posterior portion of the rat? | Towards the tail |
| What is the dorsal side? | Toward the backbone |
| What is the ventral side | Toward the belly |