Answer True or False. 1. Two different foods can contain the same nutrient. 2. Nutrients are the part of food your body has to get rid of. 3. Your body needs proteins to grow and repair body tissue. 4. Fats do not supply energy to your body. 5. Nuts and oils have fats.

3. Draw a relaxed and contracted sarcomere (see Textbook, p. 286, Fig, 11,6):

6. Cells produce energy from (a) muscles. (b) oxygen and food. (c) carbon dioxide.

Fill in the missing words. 7. Breathing is 8. The heart has four 9. Red blood cells carry (waste, oxygen)

31. (M-3) (M 2,5) Tadqiqot ishlarning birida oltita mushukka yorug'lik va qo'ng'iroq chalingandan so'ng oziq, ovqat qutisini ochishga o'rgatishdi. Agar mushukchar 10 soniya ichida idishni ocha olishmasa, qafas yopilib qolar edi. Tajriba natijasi qanday bo'lishi mumkinligiga doir eng to'g'ri fikmi aniqlang. A. Hayvonlarda och qolmaslik uchun qutini tez ochishga doir shartli refleks hosil bo'la boshlaydi B. Mushuklar juda chaqqon jonivorlar, ularga qafas yopilmasidan' avval oldin qutini ochishadi C. Mushuklar 10 soniyani ichida bemalol ovqat qutisini juda tez ocha olishadi D. Mushuklarga yorug'lik va qo'ng'iroq tovushi bilan ta'sir ettirilmasa qutini sekin ochishlari mumkin

Answer True or False. 1. Two different foods can contain the same nutrient. 2. Nutrients are the part of food your body has to get rid of. 3. Your body needs proteins to grow and repair body tissue. 4. Fats do not supply energy to your body. 5. Nuts and oils have fats.