Questions:
1. What is the identify of the number of invertebrate marine animals characterised by a tough, spiny protecting or pores and skin?
2. Name the a part of the backbone that could be a fibrous cartilage bonding two adjoining vertebrae. In house, this half decompresses, permitting astronauts to develop somewhat taller – top that they lose as soon as they’re again on the earth.
3. The cerebrospinal fluid (CSF) is a fluid produced within the brian’s ventricles, and which surrounds the organ and the spinal wire and acts as a shock-absorber to guard them. Name the situation ensuing from an extra buildup of CSF within the ventricles.
4. Name the situation brought on by a vestigial organ within the backbone and attributed generally to the “beach chair” place – i.e. sitting with a dorsally tilted pelvis in people with tetraplegia.
5. The largest vertebrates that ever walked the earth have been the sauropod dinosaurs. Some of their vertebrae had hole parts on their sides, referred to as ___________, to scale back their weight with out dropping their energy. Fill within the clean.
Visual:
All mammals (save a couple of) have seven cervical vertebrae. Name the mammal proven above, which has essentially the most variety of cervical vertebrae (eight or 9).
Answers:
1. Echinoderms
2. Intervertebral disc
3. Hydrocephalus
4. Coccygeal strain ulcers
5. Pleurocoels
Visual: Three-toed sloth