HUMAN BIOLOGY

tIssUes, orGans, and orGan systeMs 75 What are the functions of membranes? Membranes protect and sometimes lubricate many body ...

76 Chapter 4 What are organs and organ systems? An organ is a combination of two or more kinds of tissues that together perform ...

tIssUes, orGans, and orGan systeMs 77 Figure 4.10 The body has eleven organ systems. Not shown is the immune system, which consi ...

78 Chapter 4 dermis The skin layer under the epidermis. epidermis The top layer of skin. integument An organ system that consist ...

tIssUes, orGans, and orGan systeMs 79 What is the integumentary system? The integumentary system is the body’s covering. It con ...

80 Chapter 4 homeostasis: the body in balance homeostasis requires the interaction of sensors, integrators, and effectors Three ...

tIssUes, orGans, and orGan systeMs 81 What are the controls of homeostasis? Homeostatic controls are mechanisms that maintain t ...

core temperature The temperature of the head and torso, normally about 37°C, or 98.6°F. endotherm Animal whose body heat is gene ...

tIssUes, orGans, and orGan systeMs 83 hoW is body temperature regulated? The hypothalamus (in the brain) regulates physiologica ...

expLore on your oWn section 4.8 Different tissues combine to form an organ. Body organs are located in five major cavities: the ...

tIssUes, orGans, and orGan systeMs 85 revieW Questions List the general characteristics of epithelium, and then describe the ba ...

86 Chapter 4 Despite being controversial, embryonic stem cells have a key advantage over adult ones. The adult stem cells can gi ...

As you study the skeletal system, you’ll learn more about the structure and functions of bone tissue, cartilage, and some other ...

88 Chapter 5 bone: Mineralized Connective tissue matrix around osteoblasts hardens when salts of the min- eral calcium are depos ...

the SKeLetaL SyStem 89 What is bone? Bone is a form of connective tissue that consists of living cells and a nonliving matrix t ...

90 Chapter 5 What are the parts of the skeletal system? In the skeletal system, bones are organized into two parts— the axial s ...

the SKeLetaL SyStem 91 Figure 5.4 Animated! The skeletal system is divided into the axial skeleton and the appendicular skeleton ...

92 Chapter 5 brain case Skull bones that surround and protect the brain. mandible Lower jawbone. sinus Air space in the skull, l ...

the SKeLetaL SyStem 93 What are the parts of the aXial skeleton? The axial skeleton consists of bones that make up the body’s v ...

94 Chapter 5 clavicle Collarbone. femur Thighbone, largest bone in the body. humerus Long bone of the upper arm. pectoral girdle ...