Lecture 21 Animal Tissues

Question 1

Four types of tissues

Answer 1

– Epithelial
– Connective
– Muscular
– Nervous

Question 2

Skeletal tissues:

Answer 2

-Skeletal muscles attach to bones
-The defining feature is voluntary control

Question 3

Conformer

Answer 3

allows internal conditions to vary with the environment

Question 4

Regulator

Answer 4

Control mechanisms maintain internal conditions

Question 5

Behavioral control mechanism

Answer 5

Shuttling - moving to an environment w desired temperature

Question 6

Physiological control mechanism

Answer 6

Negative feedback
- Set point for control variable (Body temp)
- Sensor (Hypothalmus)
- Control center (Hypothalmus)
- Effector ( blood vessels)

Question 7

Endotherm

Answer 7

body temp determined by internal mechanisms

Question 8

Ectotherm

Answer 8

body temp not determined by internal mechanism

Question 9

Homeotherm

Answer 9

body temp is constant

Question 10

Poikilotherm

Answer 10

body temp is not constant

Question 11

Epithelial Cells

Answer 11

cells that cover the inside and outside of the body, including the skin, organs, and blood vessels

Question 12

connective Cells

Answer 12

a family of cells that are closely related and work together to support and repair the body’s tissues and organs

Question 13

Muscular Cells

Answer 13

The muscle myocyte is a cell that has differentiated for the specialized function of contraction.

Question 14

Nervous Cells

Answer 14

specialized cells within the nervous system that receive and transmit electrical signals