1) State a function of the hormone Oxytocin  a) Stimulates contractions of smooth muscle in the uterine wall b) Encourages the mare to ovulate c) Creates mare like behaviour in the female horse d) makes stallions more aggressive e) Stimulates the mammary glands to secrete milk f) Encourages the release of testosterone 2) What are the cells within the retina called a) Spikes and Pillars b) Rods and Cons c) Hilts and Pilts d) Cods and Rons 3) What components can be found in the horses tendons and ligaments a) Elastic, springs and leathers b) Cytoplasm and cellulose c) Collagen, Elastin and Fibrocytes 4) What do the valves in the heart do?  a) Prevent backflow b) Push the blood outside c) Gulp up blood 5) what is the role of the kidneys a) Pass urine b) Secrete bile c) Monitor hormone levels d) extract waste from the blood, forms urine. e) reabsorption 6) What is the role of the egg (ova) a) To provide half of the DNA b) To pass no information on c) House the unborn foal d) Provide contractions 7) Pick a function of the lymphatic system  a) To move the eggs along the reproductive tract b) Transports materials i.e. white blood cells to the lymph nodes c) Aids in fat digestion by absorbing and transporting fats from the digestive system d) Expands the digestive system for food 8) Describe some functions of the horse’s hindbrain a) The hindbrain serves as a balance b) The hindbrain provides locomotion c) Promotes sleep and wakefulness d) The hind-brain passes all the nerve fibres that relay signals from the spinal cord e) The hindbrain in vast and stores memories 9) What does the Olfactory bulb do?  a) They provide most of the nasal mucosa for the air to flow over b) Accepts and processes odors which are identified in the nasal cavities c) It relays sensory data to the brain, and it is responsible for the sense of smell d) air passing through is humidified and warmed/cooled 10) Horses sight, they have... a) monocular and binocular vision b) Two blind spots c) Excellent 360 vision d) Black and white vision

Equine Biology

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