Across
- 2. Area of the brain responsible for coordinating motor commands initiated by the primary motor cortex.
- 6. This unites the anterior and posterior blood supplies in the brain.
- 7. A motor neuron and the muscle fibres it innervates.
- 8. This compound requires the use of a carrier protein to cross the plasma membrane.
- 12. The midbrain, pons and medulla oblongata form the _____ ____.
- 18. In the absence of oxygen, the body makes ATP via ________ ___________.
- 20. The carpal bones of the hand are _____ bones.
- 22. ___________ joints are freely moveable joints.
- 24. The difference in charge across the membrane of a neuron.
- 25. Type of bone cell that secretes extracellular matrix to build new bone.
- 26. _____________ is released from parasympathetic and sympathetic pre-ganglionic fibres.
- 29. If the pH of the blood drops, free hydrogen ions will bind to ___________, forming carbonic acid.
- 30. Structure responsible for detecting muscle tension.
Down
- 1. Chains of _____ _____ link together to form polypeptides.
- 3. _____ _______ solutes can cross the plasma membrane via simple diffusion.
- 4. During muscle contraction, _______ binds to actin forming a cross bridge.
- 5. Name the process whereby a vesicle fuses with the cell membrane to secrete a substance into the extracellular fluid.
- 9. Name of the process whereby cells become specialised for a function.
- 10. Type of conduction that occurs on myelinated axons.
- 11. Layer of the skin that contains blood vessels and nerves.
- 13. When calcium binds to this molecule, a conformational change uncovers binding sites for cross bridge formation.
- 14. A chemical reaction whereby a substance is broken apart into smaller parts.
- 15. Opening of chemically-gated sodium channels will cause an ___________ _______ potential.
- 16. The cell bodies of first order neurons are located here.
- 17. Type of receptor that responds to light.
- 19. type IIB fibres are fast twitch __________ fibres.
- 21. Tissue type that contains a lot of extracellular matrix and few cells.
- 23. This type of bone tissue reduces the weight of the skeleton.
- 27. Contraction of the ciliary muscle causes the lens to _____.
- 28. Parasympathetic fibres exit via the cranial and ______ regions.
