Mod D Tech 2 Introduction to the Body Tissues

Question 1

The adult body is made up of approx:

Answer 1

37 trillion cells

206 bones

600 muscles

22 internal organs

Question 2

Cell Structure

Answer 2

Question 3

Every cell in the human body must be supplied with-:

Answer 3

•OXYGEN - essential for efficient metabolism

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•NUTRITION - carbohydrates, fats & protein plus vitamins and minerals

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•WATER - the medium for all chemical activity within the body.

Question 4

What are Tissues -

Answer 4

A combination of cells which function together to perform a specialised activity

Question 5

Name the Tissues types-

Answer 5

A combination of cells which function together to perform a specialised activity

4 types:

1. Epithelial
2. Connective
3. Nervous
4. Muscle

Question 6

Tissues - Epithelial

What does Epitelial tissues do

Answer 6

Epithelium is a tissue made up of cells that line the cavities and surfaces of structures throughout the body.

Many glands are also formed from epithelial tissue.

In humans, epithelium is classified as a primary body tissue

Question 7

Tissues - Connective

what does Connective tissues do

Answer 7

Protects and supports the body & organs.

Question 8

Label diagram

Answer 8

Question 9

Tissue – Muscle – 3 Types

Name the 3 Types

Answer 9

1.Skeletal muscle or “voluntary muscle”

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2.Smooth muscle or “involuntary muscle” is found within the walls of organs, it is not under conscious control.

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3.Cardiac muscle is also an “involuntary muscle” but is more akin in structure to skeletal muscle, and is found only in the heart.

Question 10

Tissue - Nervous

What does Nervous Tissue do and its compostion

Answer 10

Nervous tissue is the main component of the nervous system.

It is composed of neurons, which transmit impulses, and the neuroglia, which assist propagation of the nerve impulse as well as provide nutrients to the neuron

Question 11

What are Organs

Answer 11

In biology and anatomy, an organ is a tissue that performs a specific function or group of functions within an organism.

Question 12

What are the Major organ systems

Answer 12

1. Circulatory
2. Respiratory
3. Digestive
4. Excretory
5. Nervous
6. Endocrine
7. Reproductive
8. Musculoskeleta

Question 13

Name Epithelial membranes :-

Answer 13

• Mucous membranes
• Serous membranes

Question 14

Name Connective Tissue membranes :-

Answer 14

• Synovial membranes
• Meninges