Biology 115 Exam 3

Which of the following is correct about homeostasis?

All living tings must maintain homeostasis to survive

Which letter in the figure is the site where most digestion and nutrient absorption occur?

B

Which of the following in this figure is embryo implantation?

C

Which of the following correctly describes the pathway that a signal travels in a neuron.

Dendrites to cell body to axon

Which of the following processes in NOT a function of nephrons?

Diffusion of oxygen into body cells

Which of the following components includes all of the others listed below?

Organ system

Which of the following things happens during inhalation

Oxygen rich air enters the lungs

Cell-mediated immunity occurs through the actions of

T cells

In what way is the structure of the small intestine related to its function?

Villi increase surface area available for abosrbtion

Which of the following must occur in order to initiate a primary immune response

a first exposure to a pathogen

The human embryo develops in a fluid-filled sac called the

amnion

The knee is part of the ______ skeleton, which is designed primarily for ________.

appendicular; motion

In the natural world, animals may reproduce by a) sexual reproduction b) asexual reproduction c) asexual or sexual reproduction depending on the animal d) binary fission

asexual or sexual reproduction depending on the animal

The figure shown indicates a(n)

axon

The blood vessels that allow diffusion between blood and nearby body cells are ________.

capillaries

If an athlete damages a ligament in his or her knee, he or she has damaged

connection between two bones

The chemical modulators of the immune system that increase during inflammation are

cytokines

The branched structures on a nerve cell that receive information are called _______

dendrites.

The structure on the figure shown is the

esophagus

Tissues______.

have one or more cell types that perform a common function

Bile is produced in the _____ and secreted into the small intestine by the _____.

liver; gallbladder

Sexual reproduction is necessary for__________.

maintenance of genetic variability.

What is the correct path an apple would take through your digestive system?

mouth, stomach, small intestine, large intestine

The fallopian tube connects the______.

ovary and uterus

Hormones commonly impact target cells by attaching to _______ at the cell surface

receptors

Minerals are

required by the human body in small intestines

Which organ coordinate(s) communication between the endocrine system and the nervous system?

the hypothalamus

The structure that is highlighted in this figure is the

trachea

Carbohydrates and fats are both

used as energy sources