Question

1. The kidneys in human beings are a part of the system for (a) nutrition. (c) excretion. (b) respiration. (d) transportation. 2. The xylem in plants are responsible for (a) transport of water. (c) transport of amino acids. (b) transport of food. (d) transport of oxygen. 3. The autotrophic mode of nutrition requires (a) carbon dioxide and water. (c) sunlight. (b) chlorophyll. (d) all of the above. 4. The breakdown of pyruvate to give carbon dioxide, water and energy takes place (a) cytoplasm. (c) chloroplast. (b) mitochondria. (d) nucleus.​

Answer 1

Answer:

Joints: Bones come together to form joints. Some joints have a large range of motion, such as the ball-and-socket shoulder joint. Other joints, like the knee, allow bones to move back and forth but not rotate. Muscles: Each muscle is made of thousands of stretchy fibers

Answer 2

Answer:

Here is your answer.

Explanation:

Ans1- (c) excretion

Ans1- (c) excretionAns2- (a) transport of water

Ans1- (c) excretionAns2- (a) transport of waterAns3- (d) all of the above

Ans1- (c) excretionAns2- (a) transport of waterAns3- (d) all of the aboveAns4- (b) mitochondria

Mark As Brainliest