1. A broad term that refers to all chemical reactions that occur in body cells.
What is "metabolism"?
100
6. The attraction between oppositely charged particles that occurs following a complete loss or gain of electrons is called:
What is an "ionic bond"?
100
9. The energy generation powerhouse of the cell
What are "mitochondria"?
100
14. The skin protects deeper tissues from mechanical damage by a physical barrier containing ____________ which toughens cells.
What is "keratin"?
100
23. This tissue has a high content of hard calcium salts.
What is "osseous"? (bone)
200
2. Operates in such a way that the initial stimulus is shut off or reduced.
What is a "negative feedback system"?
200
7. The molecule that contains high energy phosphate bonds
What is "ATP (adenosine triphosphate)?
200
10. A membrane studded with ribosomes that makes proteins and folds them into their three dimensional shapes:
What is "rough endoplasmic reticulum"?
200
15. ____________ are biological catalysts that increase the rate of chemical reactions.
What are "enzymes"?
200
All tendons and ligaments are composed of this tissue.
What is "dense fibrous connective tissue"?
300
3. Homeostasis in the human body is controlled primarily by these two organ systems.
What is the "nervous system and endocrine system"?
300
8. The atomic number that identifies each atom as unique.
What is "equal to the number of protons the atom contains"?
300
17. ___________ are likely to be found in or on cells specialized for absorption.
What are "microvilli"?
300
18. ______________ secrete their products (hormones) directly into the bloodstream.
What are "endocrine glands"?
300
24. The hip and shoulder joints are examples of ____________ joints.
What is "multiaxial"?
400
5. Water is useful in body processes because: a. it is a good solvent; b. it is a chemical reactant; c. it has a high heat capacity; d. all of the above
What is "all of the above"?
400
16. Atoms are neutral, therefore they must contain equal numbers of protons and ___________.
What are "electrons"?
400
12. The nonspecific response of the body to injury that attempts to prevent further injury is called ___________.
What is "inflammation"?
400
19. Diffusion of water through a selectively permeable membrane down its concentration gradient.
What is "osmosis"?
400
A type of joint that has a joint capsule, articular cartilage, and is freely movable.
What is a "diarthrosis"?
500
4. Choose the structure or organ system that matches the given directional term: 1. _________distal: the elbow/the thumb; 2. _________superior; the forehead/ the nose; 3. ___________ superficial: the skin/ the skeleton.
What is "1. the thumb; 2. the forehead; 3. the skin"?
500
11. Two locations of ______________ endothelium are the air sacs of the lungs and in capillaries.
What is "simple squamous"?
500
13. A neoplasm (whose cells resemble immature cells) that spreads both locally by invading other tissues rather than pushing them aside and by metastasis to other sites in the body is ______________.
What is "malignant or cancer"?
500
20. A DNA segment that contains the information for building one protein or polypeptide.
What is a "gene"?
500
21. Two tissues that heal by fibrosis instead of regeneration. Because this fibrotic scar tissue doesn't do the job of the tissue it replaces, these tissues are severely handicapped by injury.
What are "nervous tissue and mature cardiac tissue"?