Study Guide For Antonym

Epithelial tissue main job is to

Give a protective barrier for the body

Melanocytes are cells in our body that help

Helps produce melanin

Water moves via osmosis from

High To Low

Where are blood cells made?

In the bone marrow

The beating sound your heart makes comes from

heart valves opening and closing as they pump blood

This molecule can passively move through the membrane

oxygen

These carry blood back to the heart

veins

Which of the following is the greatest component of plasma?

water

The hypodermis does not compose of adipose tissue

False

White blood cells, in general, help fight infections and disease?

true

third degree burns are the worse type of burns, resulting in skin graphs

true

If a mole is asymmetric, irregular, colored, and larger than 6mm, it may likely be

Skin cancer

What causes acne?

bacterial infections of the subaceous glands

Histamine is a chemical that causes blood vessels to dilate in an effort to increase the flow of blood and subsequently leukocytes to the infected site. Which of the following leukocytes release the most histamine?

basophils

The atria are the upstairs chambers on the heart and these parts are the downstairs chambers?

Valves

Apocrine sweat glands release what type of sweat?

1. Fatty substances and proteins 2. Bacteria 3.sweat around the armpits

Circulation is important because it provides your body with?

1. Nutrients 2. Oxygen 3. getting rid of waste

Functions of connective tissue include

1. establishing a structural framework for the body 2. transporting fluids and dissolved material 3. providing protection delicate organs 4. storing energy reserve

Skin gives protection from

1. mechanical damage 2. UV radiation 3. Chemical damage

The lifespan of a red blood cell is about

120

How many chambers does the heart have?

4

Humans need to receive sunlight so their skin can synthesize (create) which vitamin?

Vitamin D

What do platelet cells do?

Form clumps and clot at wounded sites

If you receive a superficial (surface layer) cut, white blood cells are signaled to flood to the wound. In what tissue are the white blood cells made?

Bone

First degree burns damage the hypodermis

False

Phagocytosis is a process where some leukocytes (such as neutrophils) can __________.

Enter and exit the bloodstream in order to go the infected site

The epidermis is the outermost layer of skin mainly consisting of dead layers of cells

False

Epithelial cells that are adapted for absorption or secretion usually have __________ at their free surface.

Microvilli

What is the "powerhouse" of the cell?

Mitochondria

Together, just four elements make up more than 95 percent of the body's mass. These include

Oxygen, carbon, hydrogen, and nitrogen

The basic shapes of epithelial cells include all but which of the following?

Stratified, squamous, cuboidal, and columnar

Although a skier has a jacket on, she is still cold. How can her circulatory system keep her warm?

The arterioles on the surface of her skin can vasodilate so less heat leaves her body

What does the clavicle and scapula protect?

The shoulder

If enzymes are exposed to extreme heat, they become denatured and no longer function

True

The cell membrane is semi-permeable?

True

The dermis is mainly connective tissue with blood vessels and nerve endings

True

Cells that store fat are called

adipose cell

Chondrocytes are to cartilage as osteocytes are to

bone

Ligaments attach

bone to bone

Types of muscle tissue include

cardiac, smooth, and skeletal

A blood type B person can donate to a blood type A?

false

Which of the following characteristics of erythrocytes allow for the easy exchange of oxygen and carbon dioxide?

flattened shape

Carbon monoxide is a deadly gas and binds to hemoglobin when inhaled. It creates problems because it binds to the same site as oxygen does, competing for the same binding site. This ultimately causes the erythrocyte to deliver carbon monoxide instead of oxygen to the tissues. Which of the following is the binding site for carbon monoxide?

iron

Oxygen binds to the __________ portion of hemoglobin.

iron

Cells that remove damaged cells or pathogens from connective tissue are

macrophages

The smallest level of organization in the human body is

molecular

The major element of whole blood is __________.

plasma

Why do platelets have to be shaken in the storage rooms?

prevent clotting

The muscle that is located in the walls of hollow internal organs is

smooth muscle

Enzymes are proteins mainly made in the pancreas and small intestines, what organelle synthesizes (creates) these proteins?

true