Notes

1. Most of the chemical reactions in our body take place in..
A. Protein
B. Carbohydrates
C. Fats
D. Water

[water noob]

2. Which two nutrients would be most abundant in a Thanksgiving turkey?
A. carbohydrate and protein
B. carbohydrate and fat
C. vitamin and mineral
D. fat and protein

[fat (like u JOKES...) and protiein]

3. Once mechanical and chemical digestion have broken down our food into small enough
molecules, our body begins to take in the nutrients, a process called _
A. excretion
B. peristalsis
C. assimilation
D. absorption

[absorption]


4. What structure does water enter to be filtered as it leaves the blood vessels?
A. sweat glands
B. the nephron
C. the lungs
D. the stomach

[nephron]

5. In which organ is glucose absorbed?
A. Large intestine
B. Small intestine
C. Mouth
D. The heart

[omg makakutahe..... large intertine?]

6. When we swallow, our food moves into the esophagus. The smooth muscles in the
esophagus contract and relax to push food toward the stomach. This action is called
A. absorption
B. assimilation
C. peristalsis
D. excretion

[peristalsis?]


7. What two structures are part of the excretory system but not part of the urinary system?
A. the kidneys and the lungs
B. the lungs and sweat glands
C. the heart and the lungs
D. sweat glands and the kidneys

[sweat glands and hickeys . jk kidneys]

8. …….. occurs when food is crushed and ground into smaller, more easily digested
pieces.
A. Peristalsis
B. Mechanical digestion
C. Chemical digestion
D. Assimilation

[mechanical digestion]


9. What organ connects a kidney to the bladder?
A. the nephron
B. an uterus
C. an urethra
D. an ureter

[uterus noob..]

10. Which type of muscle is found in the organs below?
(stomach?)
A. Cardiac muscle
B. Skeletal muscle
C. Smooth muscle
D. Voluntary muscle

[smooth like my jokes]

11. Where in the lymphatic system organ is much smaller in adults than in children?
A. the hypocampus
B. the thymus
C. lymph nodes
D. the hypothalamus

[thymus]

12. To which organ system is lymph returned?
A. circulatory system
B. urinary system
C. respiratory system
D. digestive system

[circle]

13. Which statement below is NOT true?
A. Lymph is circulated by the contractions of muscles.
B. Lymph is plasma that has leaked out of the capillaries of the circulatory system.
C. The circulatory system moves substances from one part of the body to another.

[idk............................................ a?]

D. Our breathing rate increases in response to cells needing more oxygen.

14. Where in the lymphatic system are particles filtered out of the lymph?
A. the thymus
B. lymph nodes
C. the hypothalamus
D. the hypocampus

[hipopotamus.. jk........ limf node.. omg milf...]

15. _______________________________ control the flow of blood with valves.
A. Capillaries
B. The heart
C. Arteries
D. Veins

[omg i suka lupa yg ini... veins?]

16. What muscle is most responsible for moving air in and out of the lungs?
A. the diaphragm
B. the cardiac muscle
C. the triceps
D. the biceps

[b]

17. From which blood components is lymph derived?
A. platelets
B. white blood cells
C. plasma
D. red blood cells

[c]

18. ___________________ functions in removing foreign substances, such as viruses.
A. red blood cells
B. plasma
C. white blood cells
D. platelets



19. After entering the heart, why is blood next sent to the lungs?
A. to exchange oxygen for carbon dioxide
B. to move substances
C. to exchange carbon dioxide for oxygen
D. to move nutrients

20. What causes blood pressure?
A. our heart
B. beat blood pushing against the walls of heart
C. our lungs

D. blood pushing against the walls of vessels

21. The ___________ system eliminates certain types of wastes and maintains the right
amount of water in the body.
A. circulatory
B. urinary
C. digestive
D. reproductive

22. ____________ and connective tissue are type of tissue primarily make up the two layers
of skin
A. The epidermis
B. Epithelial
C. The dermis
D. Melanin

23. What part of a bone grow?
A. Spongy bone
B. Bone marrow
C. The growth plate
D. The periosteum

24. What pigment gives human skin its color?
A. Melanin
B. The dermis
C. The epidermis
D. Epithelial

25. What type of joint is the elbow?
A. Plane joint
B. Pivot joint
C. Hinge joint
D. Saddle joint

26. ________________ attach muscle to bone
A. Bone marrow
B. Ligaments
C. Periosteum
D. Tendons

27. What type of joint is this?

A. Saddle joint
B. Hinge joint
C. Ball and socket joint
D. Pivot joint

28. __________________ is the hard covering on the surface of bones.
A. Spongy bone
B. The periosteum
C. Epithelial
D. Compact bone

29. The __________ system creates and protects new human life.
A. urinary
B. circulatory
C. reproductive
D. digestive

30. The ______________ system provides movement by pulling on the bones, causing
them to move and also involved in digestion and circulation.
A. skeletal
B. integumentary
C. digestive
D. muscular