Question

Instructions: Pre-lab questions are to be completed prior to lab and turned in to your i structor on the day of your lab. Use the information in the lab manual and your text to answer the questions 1. arranged into are made of collections of layers. Which of the following organ systems is the framework upon which your muscles are 2. attached? O Integumentary □ Lymphatic □ Skeletal Endocrine 3. List three organ systems and their primary functions. What specialization do all of the structures that exchange substances with their envi- ronment have? 4. 5. Homeostasis is controlled through

Answer 1

Ans2:- Skeletal act as frame work for the attachment of muscle and also act as protective covering for organs.

Ans3:- The main tree organ systems are :-

1. Skeletal system:- To support the body.
2. Reproductive system:- It is the system of sex organs which work together for the reproduction.
3. Respiratory system:- It is the system in the body which help to remove the CO₂ form body and intake O₂ for the oxidation of food.
4. Circulatory system: It is the system which help to circulate the material through-out the body with the help of body fluid and blood.

Ans 4) Root hairs: In plants roots hairs are the special for minerals form soil . There are the protrusion from the cell wall to increase surface area.

Small intestine:- In humans small intestine is the main organ for absorption. It is greatly fold around itself to increase surface area.

Thin Membrane: There are some material which are diffuse through the cell directly.

Hair pores:- There are tiny pores in the skin for gass exchange.

Ans:- Homeostasis: It is the state of balance in the body for proper function. It is maintained through hormones, glands, change of material and excretion through the body.