The Human Body Plan 46-1

Question 1

list and describe the four types of tissue that make up the human body

Answer 1

1. Muscle tissue: composed of cells that can contract.
2. Nervous tissue: contain cells (Neurons) that receive and transmit messages.
3. Epithelial tissue: consists of layers of cells that line or cover all internal and external surfaces.
4. Connective tissue: binds, support, and protects structures in the body.

Question 2

Explain how tissue, organs, and organ systems are organized.

Answer 2

tissue is a collection that work to carry out a specific function. An organ consists of various tissue that work together to carry out a specific function and an organ system is composed of multiple organs.

Question 3

summarize the functions of the primary organ systems in the human body.

Answer 3

1. Skeletal: includes bones that provides structure; supports and protects internal organs.
2. Muscular: includes all muscles that provides structure; supports and moves trunks and limbs; moves through body.
3. Integumentary: includes the skin, nails, hair that protect against pathogens; helps regulate body temperature.
4. Cardiovascular: includes the heart, blood vessels, blood; transports nutrients and wastes to and from the body.
5. Respiratory: includes air passages, lungs; carries air into and out of lungs, where gases (oxygen and carbon dioxide) are exchanged.
6. Immune: includes lymph nodes and vessels, white blood cells; provides protection against infection and disease.
7. Digestive: includes mouth, esophagus, stomach, liver, pancreas, small intestine and large intestines.
8. Excretory: includes kidneys, ureters, bladder, urethra, skin, lungs.
9. Nervous: includes brain, spinal cord, nerves, sense organs, receptors.
10. Endocrine: glands, hypothalamus
11. Reproductive: includes ovaries, uterus, mammary glands, testes.

Question 4

Name and locate four human body cavities, and describe the organs that each contains.

Answer 4

1. Cranial cavity
2. Spinal cavity
3. Thoracic cavity
4. Abdominal cavity

Question 5

what are the three types of muscle tissue?

Answer 5

1. Skeletal muscle
2. Smooth muscle
3. Cardiac muscle