Chapter 1

During puberty, abnormal levels of hormones can cause people to experience an extreme range of emotions.

True

Friends have an effect on what we do and say.

True

Select all that apply. Which of the following qualities do responsible adults possess?

reliability punctuality patience friendliness

Select ALL of the following that are purposes of BOTH the female and male reproductive systems.

to produce reproductive hormones to produce reproductive cells to transport reproductive cells

Genetic engineering _______

uses recombinant DNA technology to alter an organisms' DNA

Most children can understand abstract symbols and solve complex problems by the time they are years old.

12

Most infants are able to crawl and speak a few words by the time they are .

18 months

The period of transition between childhood and adulthood is known as .

Adolesce

The skeleton consists of the skull, spine, ribs, and sternum.

Axial

The skeleton protects the body's vital organs.

Axial

What are the main organs of CNS

Brain Spinal cord

Air passes from the trachea into the lungs through two large tubes called _____ .

Bronchi

Skeletal and smooth muscles move when nerve impulses, sent from the , stimulate the muscle fibers, telling them to either contract or relax.

CNS

______transfer waste-filled blood from tissues into the pulmonary circulation.

Capillaries

The basic structural unit of the body is the

Cell

The nervous system receives information from sense organs and analyzes that information.

Central

On any given ___, there are a number of genes but not all the genes will be coding for proteins

Chromosome

The respiratory system works with the _____ system to add oxygen to the blood and remove carbon dioxide from the body.

Circulatory

How do proteins relate to DNA

DNA contains the codes that are used to manufacture proteins

The ____ system prepares food for absorption into the bloodstream.

Digestive

After the zygote divides into two cells, it is called a(n) .

Embryo

The system regulates the body's metabolism, growth, and functions of the sexual organs.

Endocrine

The ______prevents food or liquids from getting into the lungs.

Epiglottis

Cytoplasm contains all organelles

False

In which trimester does the following occur? The placenta begins absorbing nutrients and oxygen from the mother's body.

First

The human heart is divided into _____ chambers

Four

Scientists use this technology to map the human genome

Genetic chips

Which of the following would be characterized as "good cholesterol"?

HDL

The system protects internal organs from harmful bacteria, sunlight, and injury.

Integumentary

muscles move without conscious control.

Involuntary

The remove excess water, salts, uric acids, and chemicals from the blood.

Kidneys

The effort made by the mother's body to move the baby from the uterus and through the birth canal is called .

Labor

The main organ of the respiratory system is the____ .

Lungs

Movement occurs when the skeletal system works with the system.

Muscular

Which kind of tissue sends messages from the brain to the rest of the body?

Nerve

Which system is responsible for gathering, storing, and responding to information?

Nervous system

When a response to information is initiated, the nervous system carries the response to the rest of the body.

Peripheral

The forms a food substance into small balls and then pushes them into the .

Pharynx Esophagus

During childhood, development is not as rapid as in infancy.

Physical

The gland controls and regulates all other glands and secretes growth hormones.

Pituitary

Puberty begins when the gland increases the amount of in your bloodstream.

Pituitary Hormones

The stage of physical development during adolescence is called .

Puberty

The _____ circulation of the circulatory system brings carbon dioxide filled blood to the lungs.

Pulmonary

______blood cells bring oxygen to cells and take carbon dioxide away.

Red

In which trimester does the following occur? Facial features become apparent.

Second

In which trimester does the following occur? Fingers and toes develop.

Second

The development of sex characteristics cause girls to look like women and boys to look like men.

Secondary

The muscular system is composed of approximately 600 muscles.

Skeletal

Nutrients are absorbed into the bloodstream through small finger-like nodules on the wall of the called villi.

Small intestine

Which of the following would be a voluntary risk factor for lung cancer?

Smoking cigarettes

The nervous system transmits information to voluntary muscles while the nervous system transmits information to involuntary muscles.

Somatic Autonomic

While in the , food is broken down by powerful acids and turned into chyme.

Stomach

The _____ circulation disperses oxygen rich blood throughout the body.

Systemic

In which trimester does the following occur? The respiratory system becomes mature.

Third

A neuron transfers information in the form of an electrical impulse.

True

Adults may be able to offer you good advice.

True

During adolescence, a desire for independence increases

True

The stores the waste until it is ready to be expelled from the body.

Urinary bladder

Which part of the female reproductive system is responsible for protecting and nourishing a developing fetus?

Uterus

Which kind of tissue is designed to regulate temperature, secrete lubricants, and protect the body from harmful substances?

epithelial

Which systems comprise the nervous system?

peripheral nervous system Central nervous system